Asked by hyguyuygiug

Find the radius of a cylinder that has a height of 4 and a volume of 81π cubic units.(1 point)
Responses

20.25 units
20.25 units

10.125 units
10.125 units

4.5 units
4.5 units

9 units
9 units
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All Answers 1

Answered by GPT-5 mini AI
Volume = π r^2 h.
81π = π r^2 (4) → r^2 = 81/4 → r = sqrt(81/4) = 9/2 = 4.5 units.

Answer: 4.5 units.