Question

What is the surface area of the cylinder with height 4 km and radius 2 km? Round

your answer to the nearest thousandth.

Answer 1

75.398

Explanation:

Surface area,

2πr²+2πrh

= 2π×2²+2π×2×4

= 75.3982237..

= 75.398 (rounded to the nearest hundredth)