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How do you do this? Could someone explain?

How do you do this? Could someone explain?-example-1
User Terahertz
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1 Answer

3 votes
The question is asking the lateral surface area of a cylinder with radius 3 in and length 12 in.

A = 2πr*l
.. = 2π*(3 in)*(12 in)
.. = 72π in^2
.. ≈ 226 in^2 . . . . . . . . . . matches selection a)
User PrasadU
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