Q: How many Square inches in a 12 inch round circle?

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12.5664 Sq.In.

A circle with a 14 inch diameter has an area of 153.9 sq inches.

A 1.25-inch diameter circle contains 1.227 square inches.

formula used is (pi)x(radius squared)= square inches (3.14)x(5x5)= 78.5 square inches

A 4.75-inch diameter circle contains 17.72 square inches.

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12.5664 Sq.In.

A circle with a 14 inch diameter has an area of 153.9 sq inches.

The area of a circle with an 8 inch diameter is approximately 50.27 square inches.

A 1.25-inch diameter circle contains 1.227 square inches.

formula used is (pi)x(radius squared)= square inches (3.14)x(5x5)= 78.5 square inches

The circumference of a 24-inch round (diameter) circle is: 75.4 inches.

A 4.75-inch diameter circle contains 17.72 square inches.

19.63 square inches are in the area of a 5-inch diameter circle.

The area of a 3-inch diameter circle is about 7.068 square inches.

Area of circle is pi*radius*radius. hence area of 1.5 inch circle is 7.065 square inches.

The area of a 14-inch circle is: 153.9 square inches.

First find the radius = 12/(2*pi) = 1.909859317 inches Area = pi*1.9098593172 = 11.4591559 or about 11.5 square inches