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Subjects>Math>Geometry

How many square inches in a 4 inch diameter?

Updated: 4/28/2022

Wiki User

∙ 14y ago

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In a circle with a diameter of 4, there would be approximately 12.56 square inches in the circle.

Wiki User

∙ 14y ago

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Wiki User

∙ 12y ago

Area of a circle = pi*radius2

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Continue Learning about Geometry

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 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.

How many square inches are in a 11 inch diameter circle?

Area = (pi) x (1/2 of the diameter)2 11-inch diameter ==> 95.033 square inches of area (rounded)

How many square feet are in a 300 inch diameter?

A circle with a diameter of 300 inches has an area of 490.87 square feet.

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 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 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 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 inches are in the area of a 9.5 inch diameter circle?

70.9 square inches.

How many square feet in 20 inch diameter circle?

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

How many square inches are in a 11 inch diameter circle?

Area = (pi) x (1/2 of the diameter)2 11-inch diameter ==> 95.033 square inches of area (rounded)

How many square inches in 2 inch diameter?

A circle whose diameter is 2 inches has an area of 'pi' square inches.3.142 in2 (rounded)

How many square inches are in a 12 inch pizza?

113.04 if the diameter is twelve inches

How many square inches in a 23 inch diameter circle?

A circle with a 23 inch diameter has am area of 415.4756 sq inches (to 4 dp).

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