a) $90\pi$ b) $90\pi$
Work Step by Step
a) The radius is 5, and the height is 9, so we obtain: $A = 2\pi rh = 2\pi (5)(9) = 90\pi$ b) The radius is 9, and the height is 5, so we obtain: $A = 2\pi rh = 2\pi (9)(5) = 90\pi$
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