How do you find the radius if you know the area of the circle?

Question

asked Aug 8, 2021 70.0k views

2 Answers

Jagadeesan · Answer 1 · 2021-08-11T23:58:05+0000

Answer:

sqrt(A /pi ) = r

Explanation:

The area of a circle is given by

A = pi r^2

Divide each side by pi

A / pi = r^2

Take the square root of each side

sqrt(A /pi ) = sqrt(r^2)

sqrt(A /pi ) = r