Chapter A.1, Problem 136AYU

To determine

To express: The surface area $S$ of a sphere is 4 times $\pi$ times the square of the radius $r$.

Answer to Problem 136AYU

$V=4\pi r^2$

Explanation of Solution

Given:

The surface area $S$ of a sphere is 4 times $\pi$ times the square of the radius $r$.

Calculation:

$V=4\pi r^2$