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What is the surface area?

What is the surface area of the cube?

  • Cube with 7mm, 7mm, and 7mm 42 mm2 49 mm2 294 mm2 1764 mm2 What is the lateral area of the rectangular prism? Assume the prism is resting on its base. 10 - 5 and 4 200 in2 180 in2 90 in2 50 in2 What is the surface area of the rectangular prism? 10 - 5 and 4 110 in2 180 in2 200 in2 220 in2 What is the lateral area of a rectangular prism with a base length of 16 m, a base width of 8 m, and a height of 4 m? 48 m2 52 m2 192 m2 512 m2 What is the surface area of a rectangular prism with length of 5 ft, width of 2 ft, and height of 25 ft? 370 ft2 350 ft2 250 ft2 185 ft2

  • Answer:

    Find using: surface area of a cube = 6a^2 where a is the edge of the cube. Surface Area of a Rectangular Prism = 2ab + 2bc + 2ac (a, b, and c are the lengths of the 3 sides) you mean rectangular prism. The lateral area is made up of four rectangular faces. (I'm assuming by "lateral" you're excluding the bases.) The area of a rectangle is found to be the product of its 2 dimensions. In this case, there are 2 height-width rectangles and two height-length rectangles. This can be expressed as: la=hw+hw+hl+hl or, after factoring: la=2h(w+l)

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Ooh, time to go read the math textbook so you can do your own homework! A cube has 6 faces. Each one has the same dimensions. The area of one face is the square of a side. So the surface area is 6s^2 A rectangular prism also has 6 faces. Two have the surface area l*w, two have l*h, and two have w*h. So the surface area is 2(l*w + l*h + w*h)

RoofingPrincess

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