Best Answer

57 in²

The answer above is correct. Here is the formula

Area of a circle = pi X r2

r = radius = 1/2 X diameter

pi = 3.1416

Q: How many square inches are in an 8.5 inch diameter circle?

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

There are 100*pi square inches in a 20 inch diameter circle

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

Related questions

A 4.75-inch diameter circle contains 17.72 square inches.

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

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.

There are 100*pi square inches in a 20 inch diameter circle

A 1.25-inch diameter circle contains 1.227 square inches.

A 20-inch diameter circle contains: 314.16 square inches.

The area of a circle that has an 8.5 inch diameter is: 56.75 square inches.

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

The area of a circle with a 5-inch diameter is: 19.63 square inches.

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

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