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There are about 38.48 square feet in a 7' diameter circle
A 56-inch diameter circle has an area of about 17.06 square feet.
A circle with a diameter of 300 inches has an area of 490.87 square feet.
A 7-meter diameter circle has an area of 38.5 square meters.
A circle 3.83 meters in diameter has an area of 11.5 square meters.
A 72-inch diameter circle has an area of: 28.3 square feet.
A 4.75-inch diameter circle contains 17.72 square inches.
A 48-inch diameter circle has an area of: 12.57 square feet.
A 20-inch diameter circle contains: 314.16 square inches.
Approximately 490.625 square feet.
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.