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


7) Find the value of x if the surface are is 216ft ​-example-1
User Sining  Liu
by
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1 Answer

6 votes

Answer:

6 ft (not squared)

Explanation:

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

216 = 72 + 24x

144 = 24x

x = 6

User Alok Nayak
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