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In the above example, we have found the l = 6 and h = 8 inches, so the area of the left face = 6 inches x 8 inches = 48 square inches. Here, the area of the left face is length × height, and the area of the right face is length × height. We have considered the one edge as the length of the prism, and the one edge is the height of the prism. In the above example, we have already calculated the two faces, each the same size. Finding the area of the left and right faces: In the above example, w = 5 inches and h = 8 inches, so the front area is 5 inches x 8 inches = 40 square inches.
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So, the area of the front face = Width * Height, and the back area is the same Width * Height. Go through the previous diagram and see the front face: the one with one edge shown width and another one is shown height. Finding the area of the front and back faces: We have already calculated the top area is 30 square inches. Previously we have already discussed that the top and bottom faces are the same in size. Area of the bottom edge = length * Width.Ĭonsider an example we have mentioned above, the length of the prism is considered as 6 inches and width is 5 inches, so the area of the bottom face is 6 inches x 5 inches = 30 square inches. If you want to calculate the rectangle area, you need to multiply the two edges together. One edge of the rectangle is considered as length, and another one is considered as width. It forms a rectangle shape, just the same as each face.
#RIGHT RECTANGULAR PRISM HOW TO#
In this article, we will learn how to find the surface area of the rectangular prism. The six sides come in 3 pairs of parallel sides. A rectangular prism refers to a 3-Dimensional object with six sides that are rectangles.
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