Answer:
10π cm
Explanation:
We require to find the radius (r) of the circle
The area (A ) is calculated as
A = πr² = 25π ( divide both sides by π )
r² = 25 ( take the square root of both sides )
r =
= 5
The circumference (C) is calculated as
C = 2πr = 2π × 5 = 10π cm