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Q: What is the diameter of a circle that has an area of 81 square inches?

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If the area of a circle is 20 square inches the diameter is: 5.046 inches.

The circle's area is: 28.27 square inches.

The area of a circle with diameter of 16 inches is: 201.1 square inches.

The area of a circle with a diameter of 4 inches is: 12.57 square inches.

The area of a circle with a diameter of 16 inches is: 201.1 square inches.

The area of a circle with a diameter of 16 inches is: 201.1 square inches.

The area of a circle when the diameter is 30 inches is: 706.9 square inches.

The area of a circle with a diameter of 9 inches is: 63.62 square inches.

The area of the circle if the diameter is 16 inches is: 201.1 square inches.

The area of a circle that has a diameter of 14 inches is: 153.9 square inches.

The area of a circle with a diameter of 75 inches is: 4,418 square inches.

If the area of a circle is about 28 square inches the diameter is: about six inches (5.971).

The area of a circle with a diameter of 12 inches is: 113.1 square inches.

The area of a circle with the diameter of 28 inches is: 615.8 square inches OR 4.28 square feet.

If the area of a circle is about 28 square inches the diameter of the circle is: about 6 inches (5.971).

The area of the circle is 1,256.6 square inches.

A circle with a diameter of 198 inches has an area of 30,790.75 square inches.

A circle with a diameter of 12 inches has an area of ~113.1 square inches.

A circle with a diameter of 7 inches has an area of 38.48 square inches.

The area of a circle with diameter of 24 inches is: 452.4 square inches OR 3.1416 square feet (Pi).

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

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

The area of a circle whose diameter is 12 inches is: 113.1 square inches.

The area of a circle with a diameter equaling 12 inches is: 113.1 square inches.

The area of a circle whose diameter is 18 inches is: 254.5 square inches.