katherine2404 katherine2404

08-04-2017
Mathematics

contestada

Someone give me the answer to this problem please ☺️☺️

Someone give me the answer to this problem please class=

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texaschic101 texaschic101

08-04-2017

SA = 2 * pi * r^2 + 2 * pi * r * h
r = 1
h = 4
pi = 3.14
now sub
SA = 2(3.14)(1^2) + 2(3.14)(1)(4)
SA = 6.28(1) + 6.28(4)
SA = 6.28 + 25.12
SA = 31.4 sq ft

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