Question

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

Answer 1

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