SOLUTION: Two cylinders both have a height of 10 inches, however the radius of Cylinder A is 3 times the radius of Cylinder B. Joe claims that the volume of Cylinder A must be 3 times as mu

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Question 982429: Two cylinders both have a height of 10 inches, however the radius of Cylinder A is 3 times the radius of Cylinder B. Joe claims that the volume of Cylinder A must be 3 times as much as the volume of Cylinder B. Is Joe correct or incorrect? If he is incorrect, find the actual relationship between the two volumes.
Answer by josgarithmetic(39626) About Me  (Show Source):
You can put this solution on YOUR website!
Form equations using the formula and compare.

r, radius of cylinder B.

A:
10%2Api%2A%283r%29%5E2

B:
10%2Api%2A%28r%5E2%29

What is their comparison?