Lateral area of a triangular prism calculator - The lateral surface is the area of all the sides of the object, excluding its base and top. This division is used for shapes where there is an obvious distinction …

 
The surface area of a triangular prism is equal to the sum of the area of tree lateral surfaces and the two bases. The surface area is expressed in square units. The formula for the surface area of a triangular prism is written as: Surface area of a triangular prism S = (2 x Base area) + (Base perimeter x Height of the prism) S = 2A + PL Where,. Johnson hagglund funeral

The formula for the volume of a cylinder is: V = Π x r^2 x h. "Volume equals pi times radius squared times height." Now you can solve for the radius: V = Π x r^2 x h <-- Divide both sides by Π x h to get: V / (Π x h) = r^2 <-- Square root both sides to get: sqrt (V / Π x h) = r. 3 comments.The following organizations are good resources for information on amyotrophic lateral sclerosis: The following organizations are good resources for information on amyotrophic later...The surface area of a triangular prism is equal to the sum of the area of tree lateral surfaces and the two bases. The surface area is expressed in square units. The formula for the surface area of a triangular prism is written as: Surface area of a triangular prism S = (2 x Base area) + (Base perimeter x Height of the prism) S = 2A + PL Where,About. Transcript. Here are the steps to compute the surface area of a triangular prism: 1. Find the areas of each of the three rectangular faces, using the formula for the area of a rectangle: length x width. 2. Next, find the area of the two triangular faces, …Jan 24, 2024 · The total surface area of a triangular prism is the sum of the areas of all its faces: the three lateral faces (rectangles) and two bases (triangles). The most general formula for the surface area of any prism is: Total area = Lateral area + 2 × Base area Lateral Surface Area Calculators. The area of all the sides of an geometrical solid eliminating the base and top surfaces is called as the lateral surface area (LSA). In general, it is the area of the sides of the geometrical solids. You can find the LSA of all regular and irregular shapes using the calculators in this section.Calculations for a rectangular prism: 1. Given the length, width and height find the volume, surface area and diagonal of a rectangular prism. h, l and w are known; find V, S and d. V = lwh. S = 2 (lw + lh + wh) d = √ (l 2 + w 2 + h 2) 2. Given the surface area, length and width find the height, volume and diagonal of a rectangular prism.Example 1: finding the surface area of a triangular prism with a right triangle. Work out the surface area of the triangular prism. Work out the area of each face. The area of the triangle at the front is 1 2 × 12 × 5 = 30cm 221 × 12 × 5 = 30cm2. The back face is the same as the front face so the area of the back is also 30cm 230cm2.A = A(base) + A(lateral) = A(base) + 4 * A(lateral face) The base refers to the square shape, therefore: A(base) = l². When you calculate the lateral surface area, begin with the area of one of the triangular faces. To find …Lateral surface of a triangular prism = Length × (a + b + c) If you know the total surface area, subtract the triangular faces' surface from the prism's total surface …How to Use the Lateral Area of a Prism Calculator. 1. Enter Perimeter of the Base. Input the perimeter of the base (in units) into the designated field. 2. Specify Height of the Prism. Define the height of the prism (in units) in …This function calculates the height or volume of a regular hexagonal prism. To calculate, enter a side length of the base and the volume or height. ... Base area \(\displaystyle A = 1.5 \cdot \sqrt{3} \cdot a^2 \) ... regular • Triangular prism • Hexagonal prism • Ramp • Wedge • Right Wedge • Rhombohedron • Anticube • Antiprism ...Formulas for triangular prisms. The triangular prism volume (or its surface area) is usually what you need to calculate. These are the two most fundamental equations: volume = 0.5 * b * h * length. b: length of the base of the triangle. h: height of the triangle. length: prism length. area = length * ( a + b + c ) + (2 * base area)Example 2: Find the lateral surface area of the isosceles triangular prism if the base of the prism has sides 5 cm, 5 cm, and 10.4 cm and the length of the prism is 12 cm.. Solution: Given, perimeter of the isosceles triangle = 5 + 5 + 10.4 = 20.4 cm, length of the prism = 12 cm To find the lateral area of an isosceles triangular prism, we can multiply the …It is the magic behind our Surface Area of a Triangular Prism Calculator. Understanding it will help you grasp the concept better and appreciate the complexity of geometry. Step 1: Determine the area of the base triangle. Step 2: Calculate the area of the three rectangular sides. Step 3: Add these areas together to get the total surface area.The steps to determine the length of the rectangular face if its lateral area is known are: Step 1: Identify the given dimensions of the right triangular prism and let the length of the rectangular face is "l". Step 2: Now substitute the values in the formula, A = 3lb. Step 3: Solve for "l".2. Calculate the surface area, volume, and lateral surface area of a triangular prism with a base of sides 5 inches, 12 inches, and 13 inches, and a height of 15 inches. 3. Determine the surface area, volume, and lateral surface area of a triangular prism with a base of sides 9 meters, 12 meters, and 15 meters, and a height of 30 meters. ConclusionVolume of a triangular prism example. Work out the volume of the triangular prism. Calculate the area of the triangular cross-section. The base of the triangle is 10 \ cm .. The height of the triangle is 4 \ cm. . The area formula for a triangle is:Lateral Surface Area Calculators. The area of all the sides of an geometrical solid eliminating the base and top surfaces is called as the lateral surface area (LSA). In general, it is the area of the sides of the geometrical solids. You can find the LSA of all regular and irregular shapes using the calculators in this section.The Lateral Surface Area of Triangular Prism formula is defined as the quantity of plane enclosed by all the lateral surfaces (that is, top and bottom faces are excluded) of the Triangular Prism and is represented as LSA = (S a +S b +S c)*h or Lateral Surface Area of Triangular Prism = (Side A of Base of Triangular Prism+Side B of Base of ...Example 1: how to find the surface area of a right triangular prism. Calculate the surface area of the triangular prism. Calculate the area of each face. The area of the triangle at the front is \cfrac {1} {2} \times 12 \times 5=30 \mathrm {~cm}^2 21 × 12 × 5 = 30 cm2. The back face is the same as the front face so the area of the back is ...A pyramid’s lateral surface area is the sum of the areas of all its side faces (which are triangles). Lateral Surface Area \(=\left ( \frac{1}{2} \right )PH\) can be used to calculate the lateral surface area of a pyramid, where ‘P’ is the base perimeter and ‘H’ is the slant height.Practice finding the lateral surface area and total surface area of a triangular prism using the formulas instead of nets. Created by Sal Khan. The lateral area of a triangular prism is the perimeter of the base multiplied by the height of the prism - Learn how to find the lateral area of a triangular prism formula with solved examples. A triangular prism is a three-dimensional shape with two triangular faces and three rectangular faces. The rectangular faces are known as the lateral faces and the triangular faces are the bases of the prism. The surface area of a triangular prism is calculated by adding up the area of the lateral faces and the triangular bases.Lateral Surface Area Calculators. The area of all the sides of an geometrical solid eliminating the base and top surfaces is called as the lateral surface area (LSA). In general, it is the area of the sides of the geometrical solids. You can find the LSA of all regular and irregular shapes using the calculators in this section.How does this rectangular prism calculator work? Depending on the figures to be solved for, this rectangular prism calculator uses the formulas explained here: If you choose to calculate the volume (V), area (A) and diagonal (d) of a rectangular prism you have to provide its length (l), width (w) and height (h): Volume (V) = l*w*hThe steps to determine the length of the rectangular face if its lateral area is known are: Step 1: Identify the given dimensions of the right triangular prism and let the length of the rectangular face is "l". Step 2: Now substitute the values in the formula, A = 3lb. Step 3: Solve for "l".To calculate the lateral surface area triangular prism, the sides B, C and D are need to be added to calculate the area. Option A. is correct. The triangular prism is what? a triangle-shaped prism "a polyhedron with two triangular bases, three rectangular sides, and three angles. There are 9 vertices, 6 edges, and 5 faces ".A triangular prism is a three-dimensional shape with two triangular faces and three rectangular faces. The rectangular faces are known as the lateral faces and the triangular faces are the bases of the prism. The surface area of a triangular prism is calculated by adding up the area of the lateral faces and the triangular bases.The steps to determine the length of the rectangular face if its lateral area is known are: Step 1: Identify the given dimensions of the right triangular prism and let the length of the rectangular face is "l". Step 2: Now substitute the values in the formula, A = 3lb. Step 3: Solve for "l". Welcome to How to Find the Surface Area of a Triangular Prism with Mr. J! Need help with finding the surface area of a triangular prism? You're in the right ... Oct 4, 2023 · Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and formulas for a surface area and other geometry problems. To determine where Americans give the most to charity, we compared all 50 states plus Washington D.C., as well as 51 of the largest metro areas. Calculators Helpful Guides Compare ...Surface Area of a Sphere formula is A = 4πr². Surface Area of a Cone formula is A = πr² + πr√ (r² + h²) Surface Area of Cylinder formula is A = 2πr² + 2πrh. Surface Area of a Rectangular Prism (Box) formula is A = 2 (ab + bc + ac) Surface Area of a Pyramid formula is A = l * √ (l² + 4 * h²) + l².Height of Triangular Prism - (Measured in Meter) - The Height of Triangular Prism is the length of the straight line connecting any base vertex to the corresponding top vertex of the Triangular Prism. Lateral Surface Area of Triangular Prism - (Measured in Square Meter) - The Lateral Surface Area of Triangular Prism is the quantity of plane enclosed by all …This calculator finds the missing value of a regular triangular prism given exactly two known dimensions. The calculator finds the length, side, base height, volume, surface area and lateral area of a prism.Surface Area of a Triangular Prism. s = 1/2(a + b + c) Base SA = s (s – a) (s – b) (s – c)) Lateral SA = h × (a + b + c) You can also use our triangle calculator to find the base surface area using several different methods. This tool … The Lateral Surface Area of Triangular Prism formula is defined as the quantity of plane enclosed by all the lateral surfaces (that is, top and bottom faces are excluded) of the Triangular Prism and is represented as LSA = (S a +S b +S c)*h or Lateral Surface Area of Triangular Prism = (Side A of Base of Triangular Prism+Side B of Base of ... The steps to calculate the surface area of a triangular prism are: 1. Find the area of the two triangular bases by using the formula: Area = (base * height) / 2. 2. Find the area of the three rectangular faces by multiplying the base length by the height. 3.The formula for the surface area of a triangular prism, where SA = total surface area, b = base of triangle, h = height of triangle, l = length of prism, and P = perimeter of triangular base, is ...Lateral traction is a treatment technique in which weight or tension is used to move a body part to the side or away from its original location. Lateral traction is a treatment tec...Calculate the rectangular prism surface area. First rectangle area is 15in × 12in = 180in², second 15in × 18in = 270in² and third one 18in × 12in = 216in². Add all three rectangles' areas - it's equal to 666 in² ( what a number!) - and finally multiply by 2. The surface area of our cardboard box is 1332in². Or save yourself some time ...A pyramid’s lateral surface area is the sum of the areas of all its side faces (which are triangles). Lateral Surface Area \(=\left ( \frac{1}{2} \right )PH\) can be used to calculate the lateral surface area of a pyramid, where ‘P’ is the base perimeter and ‘H’ is the slant height.The steps to calculate the surface area of a triangular prism are: 1. Find the area of the two triangular bases by using the formula: Area = (base * height) / 2. 2. Find the area of the three rectangular faces by multiplying the base length by the height. 3. Formula. The formula to calculate the surface area of a triangular prism is as follows: Surface Area = bh + (s1 + s2 + s3)l. Where b is the area of the base, h is the height of the triangle, s1, s2, and s3 are the sides of the triangle, and l is the length of the prism. Lateral area of sphere = 4πr\ (^2\) Substituting the value of ‘r’ and 3.14 for π in the formula, Lateral area = 4 x 3.14 x (16)\ (^2\) = 3215.36. Hence, the lateral area of the spherical ball is 3215.36 square centimeters. Now, if the spherical ball is divided into two equal parts, then we need to find the lateral area for the hemisphere.Example 1: surface area of a triangular prism with a right triangle. Calculate the surface area of the triangular prism. Calculate the area of each face. The area of the front of the prism is \cfrac{1}{2} \, \times 4 \times 3= 6 \mathrm{~cm}^{2}. The back face is the same as the front face so the area of the back face is also 6 \mathrm{~cm}^{2}.The formula for finding the surface area of a triangular prism is given as: A = bh + L (s1 + s2 + s3) Where A is the surface area, b is the bottom edge of the base triangle, h is the height of the base triangle, L is the length of the prism, and s1, s2, and s3 are the three edges of the base triangle. Figure 1 - Triangular Prism Surface Area ...To calculate the lateral surface area triangular prism, the sides B, C and D are need to be added to calculate the area. Option A. is correct. The triangular prism is what? a triangle-shaped prism "a polyhedron with two triangular bases, three rectangular sides, and three angles. There are 9 vertices, 6 edges, and 5 faces ".Find Surface Area of different objects like of Cone, Cube, Cylinder, Pipe, Prism, Pyramid, Rectangular Box, Sphere, Torus (Ring), Tube and more Please enter valid values for Base Length of triangle(B), Height of triangle(H), Length of side of …Prism Height Formula. To calculate the height of a prism, you can use the following formula: h = \dfrac {V} {S} h = S V. Where: h is the height of the prism. V is the product of the area of the base and the height of the prism. S is the area of one of the congruent polygonal bases.To calculate the lateral surface area, you should add the areas of which sides? Question: This is the net of a triangular prism. This is the net of a triangular prism.On most U.S. shorelines, the public has had a time-honored right to "lateral" access to beaches. That sandy space, however, is being hotly contested. Advertisement As Americans flo...Aug 3, 2023 · The total surface area of a prism is the combined area of the 2 bases and the areas of the lateral faces. Since Lateral Surface Area (LSA) of a prism = Base perimeter x height. The lateral surface area is the area of all the faces except the bases. We can also write: Total Surface Area (TSA) = 2 × Base Area + LSA. The surface area formula for a triangular prism is 2 * (height x base / 2) + length x width1 + length x width2 + length x base, as seen in the figure below:Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and …Advertisement When you look at an object high in the sky (near Zenith), the eyepiece is facing down toward the ground. If you looked through the eyepiece directly, your neck would ...Q1. Calculate the surface area of the following cylinder. Let the pi be $π$. A1: Answers. (a) First, let’s calculate the side area. The length of the triangular prism’s surround is $3+4+5=12$ cm. And the vertical length is 8 cm. Therefore, the side area is as follows. $12×8=96$ Then calculate the base area.Surface Area of Triangular Prism Calculator. Added May 9, 2012 by rwlmath in Mathematics. Enter in lengths on prism. NOTE: You have to enter the base of the triangle twice. Send feedback | Visit Wolfram|Alpha. Get the free "Surface Area of Triangular Prism Calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. A prism is defined as a 3-dimensional solid object which has identical ends, flat faces, and the same cross-section all along its length.The surface area of the triangular prism is the sum of the base area and lateral faces. let a,b, and c are sides of a triangle and triangle base be 'b', the height of triangle be 'h' and height of prism be 'H ... A triangular prism is a three-dimensional shape with two triangular faces and three rectangular faces. The rectangular faces are known as the lateral faces and the triangular faces are the bases of the prism. The surface area of a triangular prism is calculated by adding up the area of the lateral faces and the triangular bases.Calculator online on how to calculate volume of capsule, cone, conical frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, triangular prism and sphere. Calculate volume of geometric solids. Volume formulas. Free online calculators for area, volume and surface area.The lateral area of a triangular prism is defined as the length of the longest side. The following are examples of how the lateral area of a triangular prism can be used in different fields: Engineering: The lateral area can be used to calculate the size of an object or the surface area of a component. Architecture: The lateral area can be used ...Our solution: create a triangular platform with an angle opposite the roof. Watch this video to learn how. Expert Advice On Improving Your Home Videos Latest View All Guides Latest...To find the area of a triangle, multiply 1/2 x base x height. Since there are two identical bases, next multiply the area of the base by two. Area of the triangular bases = 2(1/2 x base x height)The lateral surface area refers to the total area of the lateral (or side) faces of a three-dimensional shape, excluding the top and bottom faces. It is calculated by multiplying the perimeter of the base by the height. The lateral surface area provides the measure of the material needed to cover the sides of the shape.Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more. ... Prism: Lateral Area. Save Copy. Log InorSign Up. Move the Sliders and make observations. 1. d = 4. 2 4 2 6 4 0 6 8 7 1 1 9 2 8 6. 14. b = 2 0. 15. h = 8. 3. 16. w. 17. P ...4 days ago · On the other hand, A_l denotes the lateral area, meaning the total area of the four lateral faces. Therefore, since the solid has two bases (the bottom one and the top one), the surface area of a rectangular prism formula is as follows: surface_area = 2 × base_area + lateral_area, which, in our notation, translates to. A = 2 × A_b + A_l. Formulas for triangular prisms. The triangular prism volume (or its surface area) is usually what you need to calculate. These are the two most fundamental equations: volume = 0.5 * b * h * length. b: length of the base of the triangle. h: height of the triangle. length: prism length. area = length * ( a + b + c ) + (2 * base area)Step 1: Create a net for the triangular prism by "cutting" two edges of the triangular faces and unfolding. Step 2: Find the area of each triangle. Find the area of the rectangle. Step 3: Add all ...Example 1: finding the surface area of a triangular prism with a right triangle. Work out the surface area of the triangular prism. Work out the area of each face. The area of the triangle at the front is 1 2 × 12 × 5 = 30cm 221 × 12 × 5 = 30cm2. The back face is the same as the front face so the area of the back is also 30cm 230cm2.Example 1: Find the volume of the triangular prism with base is 5 cm, height is 10 cm, and length is 15 cm. Solution: Volume of Triangular Prism = ½ × b × h × l. V = ½ × 5 × 10 × 15. Volume, V = 375 cm 3. Example 2: If the height of the prism is 4cm and the length of the side of the equilateral triangular base is 6cm.Examples. example 1: Find the total area of a regular triangular prism with a side of 8cm and a length of 10cm. example 2: Find the volume of a regular triangular prism with a base area of 12cm 2 and a lateral area of 18cm 2. example 3: Find the side of a regular triangular prism if the volume is and length of 4cm.Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and …Please follow the steps below on how to use the calculator: Step 1: Choose a drop-down list to find the surface area for the triangular and rectangular prism. Step 1: Enter the values in the given input boxes. Step 2: Click on " Calculate " to find the surface area. Step 3: Click on " Reset " to clear the fields and enter the new values.Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and …The formula for the surface area of a triangular prism, where SA = total surface area, b = base of triangle, h = height of triangle, l = length of prism, and P = perimeter of triangular base, is ...This guide will give you a good idea of how to carve jack-o'-lanterns in a variety of sizes and styles using a range of techniques. Advertisement Carving a pumpkin is really pretty...L→ length of the prism. Surface Area of Triangular prism formula, The surface area of triangular prism=Lateral Area +2 times the triangular base area. A→ P*H+2 times A. S.A→ the surface area of the prism. A→ Area of the base. P→ the perimeter of the base. H→ height of the prism. Area of triangle Formula, A=1/2 *b*h. …Apr 25, 2023 · The simple thing is add top, bottom, lateral surface areas of the triangular prism to get the result. Triangular Prism Height: Process 1: Observe the volume, sides of the triangle from the question. Multiply the sum of 3 sides, sum two sides subtracted from the third side. Apply square root to the product. The total surface area of a triangular prism is the sum of the lateral surface area and twice the area of the triangular base. A triangular prism has triangles at its base, whereas a rectangular prism has rectangles. A right triangular prism is one where the sides are rectangles, which are congruent to each other.Surface Area of a Triangular Prism. s = 1/2(a + b + c) Base SA = s (s – a) (s – b) (s – c)) Lateral SA = h × (a + b + c) You can also use our triangle calculator to find the base surface area using several different methods. This tool …

A lot of classical roofs have the shape of a triangular prism, so calculating the volume of air below it might be useful if you are using the space as a living area. This type of roof has the best distribution of forces generated by the weight of …. Taylor swift cincinnati stadium

lateral area of a triangular prism calculator

Advertisement An individual raindrop has a different shape and consistency than a glass prism, but it affects light in a similar way. When white sunlight hits a collection of raind...Pentagonal Prism. Hexagonal Prism. The formula for determining the surface area of a pentagonal prism is defined as: S A = 5 ⋅ a ⋅ h + 5 ⋅ ( 5 + 2 ⋅ 5) 2 ⋅ a 2. S A: the surface area of the prism. a: the length of any side of the bases. h: the height of the prism. The SI unit of surface area is: s q u a r e m e t e r ( m 2)If you know the lengths of all sides ( a, b, and c) of a triangle, you can compute its area: Calculate half of the perimeter ½(a + b + c). Denote this value by s. Compute s - a, s - b, and s - c. Multiply the three numbers from Step 2. Multiply the result by s. Take the square root of the result.Jan 11, 2024 · Example of Area of Trapezoidal Prism Calculator. Let’s consider a practical example. Suppose we have a trapezoidal prism with a shorter base (a) of 5 meters, a longer base (b) of 8 meters, heights (h1 and h2) of 3 meters each, and a lateral side length (c) of 4 meters. Plugging these values into the calculator, we get: To calculate the total surface area of the triangular prism, simply add together the areas of all its faces obtained in the previous steps. Start by adding the area of the two triangular bases. If the base triangle has a base of length b and a height of h, the area can be calculated using the formula: 0.5 * b * h.This guide will give you a good idea of how to carve jack-o'-lanterns in a variety of sizes and styles using a range of techniques. Advertisement Carving a pumpkin is really pretty...Real-World Applications of Lateral Area: Formula Reminders: Lateral area of a cylinder = πdH, with d = diameter of the base, and h = height of the cylinder.; Lateral area of a rectangular prism ...About. Transcript. Here are the steps to compute the surface area of a triangular prism: 1. Find the areas of each of the three rectangular faces, using the formula for the area of a rectangle: length x width. 2. Next, find the area of the two triangular faces, …Determine the surface area, volume, and lateral surface area of a triangular prism with a base of sides 12 meters, 16 meters, and 20 meters, and a height of 25 meters. Continuing with the same approach: Area of base = 12 × 12 × 16 = 96 sq. m. Area of triangle = sqrt(25 × (25 − 12) × (25 − 16) × (25 − 20)) = 120 sq. m.To calculate the total surface area of the triangular prism, simply add together the areas of all its faces obtained in the previous steps. Start by adding the area of the two triangular bases. If the base triangle has a base of length b and a height of h, the area can be calculated using the formula: 0.5 * b * h.Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and …Example 1: Find the surface area of the equilateral triangular prism which has a height of 10 units and a side length of 6 units. Solution: The side length of the triangle (a) = 6 units. Length of the prism (h) = 10 units. The surface area of an equilateral triangular prism is = (√3a 2 /2) + 3 (a × h)To find the volume of a triangular pyramid with a height of 10 cm, and a right-triangle base with sides 3 cm, 4 cm, and 5 cm, you need to: Determine the area of the base: for us, it's 3 × 4 / 2 = 6. Find the pyramid's height: in our case, it's 10. Apply the triangular pyramid volume formula: 6 × 10 / 3 = 20. The volume is 20 cm3.Calculate the rectangular prism surface area. First rectangle area is 15in × 12in = 180in², second 15in × 18in = 270in² and third one 18in × 12in = 216in². Add all three rectangles' areas - it's equal to 666 in² ( what a number!) - and finally multiply by 2. The surface area of our cardboard box is 1332in². Or save yourself some time ...The answer is 70. To see how to get this result, recall the formula for the volume of a rectangular prism: volume = length × height × width. Hence, we compute the volume as 2 × 5 × 7 = 70. Remember to include the units: for instance, if your measurements are in inches (in), the volume will be in cubic inches (in³)..

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