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What is the surface area, in square inches, of a basketball that has a diameter of 9 inches?
 

 Apr 4, 2018
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SA of a sphere =4 x pi x r^2

Radius = Diameter / 2

Radius = 9 / 2 = 4.5 inches

SA =4 x 3.141592 x 4.5^2

SA =254.47 inches^2 - SA of a basketball.

 Apr 4, 2018

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