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Mice21 [21]
2 years ago
5

Helena wants to paint a box in the shape of a cube with sides that are 18 inches long. what is the surface area that Helena will

paint?
Mathematics
1 answer:
yan [13]2 years ago
5 0

Answer:

1944 Inches Squared

Step-by-step explanation:

Surface area Formula for a Cube:

A = 6a^2

The "edge", which is also the side, is 18 inches.

a = 18

Solve the formula.

A= 6a^2 = 6(18)^2 = 6 * 18^2\\18^2 = 324\\324 * 6 = 1944\\A=1944

The cube's surface area should be 1944 square inches.

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