If the circumference is 12*pi (not pie!) cm, then the diameter is 12 cm so that the radius = 6 cm.
Then area = pi*r2 = 36*pi = 113.1 sq cm (approx).
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what is the area and circumference of a circle with a diameter of 55 centimeters
The area of a circle whose radius is 19 centimeters is: 1,134 cm2
a circle has an area of 36pie square centimeters what is the circumference ?
289pi
The circumference is 62.815 units.