Question

What is the surface area of this cylinder?

Use ​ ≈ 3.14 and round your answer to the nearest hundredth.

1 mm
1 mm

square millimeters

Answer 1

13.56 mm²

Explanation:

surface area = 2 circle area + the side

circle = π r² = 3.14

2 of them = 6.28

side = circumference * 1 = 2πr *1 = 6.28

total 6.28*2 = 13.56 mm²