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Finding The Surface Area And Volume Of A Cube

Lesson 1

Problem:

Find the volume and surface area of the cube:

Solution Step 1:

To find the volume of a cube, multiply the length by the width by the height (L ´ w ´ h).

Solution Step 2:

V = L x W X H = 9 x 9 x 9 = 729 in^3

Solution Step 3:

A cube has six equal sides. To find the surface area of a cube, first find the area of one side (L ´ L or L^2), then multiply that number by 6.

Solution Step 4:

A: SA = 6(L^2) = 6(9 ´ 9) = 6(81) = 486 in^2

Try two practice problems:
A. V = _______	B.   SA = _______

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