Five spheres are being painted for a display at a store. If the diameter of each sphere is 7 centimeters, which value is closest to the total surface area that will be painted?

Question

Mathematics

Trent

3 July, 22:24

Five spheres are being painted for a display at a store. If the diameter of each sphere is 7 centimeters, which value is closest to the total surface area that will be painted?

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Answers (1)

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Zavier Hammond · Answer 1

2r pi = 7, r = 7/2pi

Volume = 4/3 pi r^3 = 4/3 pi 343/8pi^3 = 343/6pi^2

there are 5 spheres so total is 5*343/6pi^2 which is approximately

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