Answer:
r = 6
Explanation:
The area (A) of a circle is calculated as
A = πr² ( r is the radius )
Given A = 36π , then
πr² = 36π ( divide both sides by π )
r² = 36 ( take the square root of both sides )
r = = 6
6
A = π. r²
36π = π. r²
eliminate π, we get:
36=r²
r=√36
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