Please help im so confused?

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asked Sep 13, 2019 26.9k views

1 Answer

Machaerus · Answer 1 · 2019-09-20T02:21:07+0000

surface area = PI x rL + PI x r^2

since the answer is in terms of PI, remove PI from the equation:

surface are = rl +r^2

r = 3 and l = 15

3*15 + 3^2 = 45 +9 = 54

answer is 54PI units^2

Answer is C

Please help im so confused?

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