Question

Find the surface area of the cylinder. Use pi=3.

Answer 1

84

Explanation:

2*3*2*5+2*3*2^2

6*10+6*4

60+24

84

Answer 2

SA= 87.96

Explanation:

SA= 2πrh+2πr2

SA= 2·π·2·5+2·π·22

SA= 87.96