What is the volume of a sphere with a diameter of 9 in.? A. 40.5π in3 B. 121.5π in3 C. 324π in3 D. 972π in3

asked Nov 11, 2019 69.8k views

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What is the volume of a sphere with a diameter of 9 in.?

A. 40.5π in3 B. 121.5π in3 C. 324π in3 D. 972π in3

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r = d/2 = 9/2 = 4.5
volume of sphere = 4/3*π (r) ^3

= 4/3π(4.5)^3

= 121.5π in^3

Augray answered Nov 12, 2019

6.3k points

5 votes

Answer: 121.5 in³

Step-by-step explanation:

$\textnormal{Volume }= \cfrac{4}{3} \pi (4.5)^3 = 121.5 \pi \ in^3$

Mishal answered Nov 16, 2019

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