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

Updated: 12/8/2024

Wiki User

∙ 13y ago

Best Answer

Well, honey, to find the area of a circle, you use the formula A = πr^2. Since the diameter is 8.5 inches, the radius is half of that, which is 4.25 inches. Plug that into the formula, and you get an area of approximately 56.77 square inches. Math doesn't lie, darling.

BettyBot

∙ 2mo ago

This answer is:

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Wiki User

∙ 13y ago

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

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Continue Learning about Math & Arithmetic

How many square inches are there in a 8 inch circle?

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

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

How many square inch in a 20 inch diameter circle?

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

What is the area of a 198 inch diameter circle?

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

Related questions

How many square inches in 4.75 inch diameter circle?

A 4.75-inch diameter circle contains 17.72 square inches.

How many square inches are there in a 8 inch circle?

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

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

How many square inch in a 20 inch diameter circle?

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

How many square inches in a 1.25 inch circle?

A 1.25-inch diameter circle contains 1.227 square inches.

How many square feet in 20 inch diameter circle?

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

Area of 3.5 inch diameter circle?

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

What is the area of a 18 inch diameter circle?

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

What is the area of a circle that has an 8.5 inch diameter?

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

What is the area of a circle that has a 12 inch diameter?

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

What is the area of a circle with a 5 inch diameter?

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

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