Area of a circle = Pi times r^2.
r=12
A = pi x (12^2)= pi x 144 equals approximately 452.3893421
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Area = Pi(r)2 - A circle with a radius of 12 centimeters has an area of 452.39 square centimeters.
A circle with a radius of 12 units has an area of 452.39 square units.
452.39 square units.
Circumference = 2 * pi * radius 12 pi ft = 2 pi radius radius of the circle = 6 ft Area = pi *radius2 Area = pi (6)2 Area = 36 pi ft2
Area of a circle = (pi) (radius)2 Radius = 1/2 (diameter) = 12. Area = (pi) (12)2 = 144 pi = 452.389 square units (rounded)