Question

he formula for the surface area of a sphere is A = 4πr2. Which equation correctly solves the equation for r? A) r = 4πA B) r = A 4π C) r = A 4π D) r = A 4π

Answer 1

The awnser is D

Explanation:

Answer 2

A = 4
`\pi r^(2)`

`(A)/(4 \pi )` =
`r^(2)`
r =
`\sqrt{ (A)/(4 \pi ) }`

I don't see an option for my answer, but this should be right..

Hope this helped though!