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Subjects>Math>Math & Arithmetic

How do you find the area of a 9 inch diameter circle?

Updated: 10/26/2022

Wiki User

∙ 13y ago

Best Answer

Pie or 3.14 times the radius squared. Half of 9 is 4.5, that is your radius. Now 4.5 squared is 20.25. Take 20.25 and multiply 3.14 which = 63.585 or orund the answer up to 63.86

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∙ 13y ago

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How many square inches are in the area of a 5 inch diameter circle?

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

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

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The area of a 26-inch diameter circle is 530.93 square inches.

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

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The area of 3.5-inch diameter circle is: 9.621 square inches.

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

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The area of a circle that has a 12-inch diameter is: 113.1 square inches.

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The approximate area of a circle with a 12-inch diameter is: 113 square inches.

How many square inches are in the area of a 5 inch diameter circle?

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

How many square inches are in the area of 3 inch diameter circle?

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What is the area of a 4 inch circle?

A 4-inch diameter circle has an area of 12.566 square inches.

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