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02-08-2018
Mathematics

contestada

Find the total area for the cylinder with the given measurement.

r = 2, h = 4

A.16 pi

B. 20 pi

C. 24 pi

Respuesta :

02-08-2018

Area includes the 2 ends ([tex] \pi r^2[/tex] each) and the rounded surface [tex] 2\pi r h[/tex]

[tex]A = 2 \pi r^2 + 2 \pi r h = 2 \pi(r^2+rh) = 24 \pi[/tex]

Choice C

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