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

 Jul 13, 2015

Best Answer 

 #1
avatar+23245 
+5

Formula for the surface area of a sphere:  SA  =  4·π·r2

Formula for the volume of a sphere:  V  =  (4/3)·π·r3

Surface area to volume ratio: ( 4·π·r) / ( (4/3)·π·r3 )  =  3 / r

Radius = 5   --->   3/5

 Jul 13, 2015
 #1
avatar+23245 
+5
Best Answer

Formula for the surface area of a sphere:  SA  =  4·π·r2

Formula for the volume of a sphere:  V  =  (4/3)·π·r3

Surface area to volume ratio: ( 4·π·r) / ( (4/3)·π·r3 )  =  3 / r

Radius = 5   --->   3/5

geno3141 Jul 13, 2015

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