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A sphere has a volume of 4571 /3 πm3. The radius is halved. a. What is the new radius? b. What is the new volume of the sphere?

 Apr 19, 2021
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volume of a sphere    4/3 pi r^3

 

4/3 pi r^3 = 4571 mm3

r = 10.295     mm    (new radius)                        1/2 r = 5.15      volume = 4/3 pi r^3 = 571.38 mm3  

 Apr 19, 2021

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