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02-05-2017
Mathematics

contestada

A cylinder has a radius of 30 ft and a height of 19 ft. What is the exact surface area of the cylinder?

A. 1200π ft2

B. 1260π ft2

C. 1800π ft2

D. 2940π ft2

Respuesta :

02-05-2017

SA = 2*pi*r^2 + 2*pi*r*h
SA = 2 * pi * 30^2 + 2 * pi * 30 * 19
SA = 2940 pi ft^2

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