aliciadubay aliciadubay

07-07-2016
Mathematics

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what is the surface area of a ball with a diameter of 8 inches?

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apologiabiology apologiabiology

07-07-2016

SA=4pir^2
d/2=r
8/2=4
r=4
SA=4pi4^2
SA=4pi16
SA=64pi in^2
if want, aprox pi=3.14
SA=200.96 in^2

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