Question

How to find the radius of a circle from the perimeter?

Answer 1

Step-by-step explanation:

To find the perimeter of the quarter circle, find the circumference of the whole circle, divide by 4, and then add the radius twice. To find the radius when you are given the area of the quarter circle, multiply the given area by 4, then plug this number in for A into the formula A = pi * r^2 and then solve for r.

Answer 2

Answer:

C=2pie R Take R as x and solve it.

Step-by-step explanation:

$2 \times \pi \times radius$