7) Find the value of x if the surface are is 216ft

Ypx asked Feb 4, 2022

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23 votes

Ypx asked Feb 4, 2022

by Ypx

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16 votes

Answer:

6 ft (not squared)

Explanation:

SA = 6(6)(2) + 4(6)(x)

216 = 72 + 24x

144 = 24x

x = 6

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