Question

What is the surface area of a cylinder with base radius 2 and height 5

Answer 1

SA=87.96
2 x pie x r^2 + 2 x pie x rh 

Answer 2

SA=2*pie*r*h+2*pie*r^2
So it means
SA=2*pie*2*5+2*pie*4=20pie+8pie=28*pie
Hope this helped!