Answer :
Answer:
radius = 3
Step-by-step explanation:
The area (A) of a circle is calculated as
A = πr² ( r is the radius )
Here A = 9π , then
πr² = 9π ( divide both sides by π )
r² = 9 ( take the square root of both sides )
r = [tex]\sqrt{9}[/tex] = 3