Question

What is the surface area of a fear with a diameter of 2.7 inches? Use 3.14 for π

Answer 1

22.8906 sq in

Explanation:

SA of a sphere = 4 π
`r^(2)`

r = 2.7 / 2 = 1.35

4 x 3.14 x
`1.35^(2)` = 22.8906