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The area of a circle is 36π square centimeters. What is the diameter of the circle?
A= πr2
A 6
B 9
C 12
D 18
A= r^2 x pi
the coefficient of pi is the radius squared
so, take the square root of 36 which is 6 to get the radius and times it by 2 to get the diameter
answer is C 12
hope this helps
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