Question

15) The diameter of a cylinder is 12 and height is 11. Find the surface area of the figure. ​

Answer 1

A=640.88

Explanation:

if the diameter is 12, the radius , r=12/2=6

we have r=6, h=11

Surface area, A= 2πrh+2π r^2

A=2*3.14*6*11+2*3.14*(6)^2=640.88