Question

Find the surface area of a cylinder in terms of pie.
Radius is 9 and height is 20.

Answer 1

522π

Explanation:

formula: 2πr^2+2πrh. square= ^2 radius= r height= h

2π(9)^2+2π(9)(20)

162π+2π(180)

162π+360π

result= 522π