Question

How do you find the surface area of the sphere in terms `pi` given `S=4pir^2` and r= 4.1cm?

Answer 1

`67.24 pi " "cm^2`

Explanation:

Given: a sphere with `r = 4.1` cm. Find the surface area in terms of `pi`

`S = 4 pi r^2 = 4 pi (4.1)^2 = 4 pi (16.81) = 67.24 pi " " cm^2`