stingrey97
Find the length of the radius of a sphere with a surface area of 314.16 ft2.
A. 5 ft
B. 15 ft
C. 10 ft
D. 2.5 ft



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experimentX
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10

Rohangrr
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10

King
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5

King
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its actually 4.998999899998...

m_charron2
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I concur with mr. King here. 4pi r^2 = 314.16
4r^2 = 100
r^2 = 25
r = 5