Area of a circle = (1/2 x diameter)2 x pi
Area of a 24 inch diameter circle:
(12 inches)2 x 3.1416 = 144 square inches x 3.1416 = 452.4 square inches
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The area of a circle that has an 8.5 inch diameter is: 56.75 square inches.
70.9 square inches.
The approximate area of a circle with a 12-inch diameter is: 113 square inches.
A 4-inch diameter circle has an area of 12.566 square inches.
The area of an 11-inch diameter circle is: 95.03 square inches.