joniboii369 joniboii369
  • 26-04-2017
  • Mathematics
contestada

Find the approximate surface-area-to-volume ratio of a bowling ball with a radius of 5 inches.

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mohabbasem
mohabbasem mohabbasem
  • 26-04-2017
Surface area of a ball: 
S=4πr^2=4*π*5^2=100π

Volume of a circle:
V=4/3*π*r^3=4/3*π*125=(500/3)*π=165π

The approximate surface-area-to-volume ratio would be 1:1,5
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