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Q: What is the approximate area of a circle with a radius of 3 feet?

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Approximate area of a 15 foot radius circle is a little more than 700 square feet.

A circle with a radius of 14 feet has an area of 615.75 square feet.

A circle with a radius of 2 feet has an area of 12.57 square feet.

A circle with a radius of 2.00 feet has an area of 12.57 square feet.

The area of a circle with a radius of 3 feet is: 28.27 square feet.

A circle with a radius of 35 feet has an area of 3,848.45 square feet.

A circle with a radius of 6.8 feet has an area of 145.27 square feet.

100.53 feet.

The area of a circle with a radius of 4 feet is: 50.27 square feet.

A circle with a radius of 30 feet has an area of 2,827.43 square feet.

A circle with a radius of 10 feet has an area of 314.16 square feet.

A circle with a radius of 4.3 feet has an area of 58.09 square feet.

A circle with a radius of 9 feet has an area of 254.47 square feet.

Approx area = 3.14*Radius2 = 3.14*42 = 50.24 square feet.

You don't mention whether the 4 feet is the circumference, diameter or radius. The area of a circle is pi times the radius squared. If 4 feet is the circumference, the area is about 1.3 feet squared. If 4 feet is the diameter, the area is about 12.6 feet squared. If 4 feet is the radius, the area is about 50.3 feet squared.

You don't mention whether the 4 feet is the circumference, diameter or radius. The area of a circle is pi times the radius squared. If 4 feet is the circumference, the area is about 1.3 feet squared. If 4 feet is the diameter, the area is about 12.6 feet squared. If 4 feet is the radius, the area is about 50.3 feet squared.

The AREA of a circle that has a radius of 40ft is 5026.54825 square feet

The radius of a circle that has an area of 64ft squared is: 4.514 feet.

A circle with a radius of 7 feet has an area of 153.94 square feet.

A circle with a radius of 9 feet has an area of 254.47 square feet.

Area of a circle: pi*radius squared

A circle with a radius of 80 inches has an area of 139.6 square feet A circle with a circumference of 40.5 feet has an area of 130.5 square feet

The area of a circle is equal to pi times the radius squared. A 12 foot radius circle would have an area of exactly 144 pi square feet.

153.93 feet

The radius is 9 feet.