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Subjects>Math>Math & Arithmetic

How many square feet in a circle with the radius of 9ft?

Updated: 7/30/2024

Wiki User

∙ 13y ago

Best Answer

Remember the circle equation.

A = pi r^(2)

A = 3.141592.... (9ft)^2 =

A = 3.141592... 81sq.ft

A = 254.4690049... sq.ft. ~ 254.5 sq.ft.

lenpollock ∙

Lvl 16

∙ 5mo ago

This answer is:

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Wiki User

∙ 13y ago

Area of a circle = pi R2 = 81 pi = 254.47 square ft (rounded)

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How many square feet are in a circle with a radius of 10 feet?

The area of a circle with radius r feet is pi*r*r square feet.

How many square feet in a 80 inch radius of a circle?

If the radius of a circle is 80 inches, then the area of the circle is 139.6263 square feet. (rounded)

How many square feet in a circle with a radius of 25?

About 1,963.49 square feet.

How many square feet in a circle with radius of 75 feet?

A circle with a radius of 75 feet has an area of 17671.458676442588 square feet. You calculate this by using the area of a circle formula, which is A=pi*r^2.

How many square feet in a 34 foot Circle?

Area of the circle in square feet: pi*radius squared

Related questions

How many square feet are in a circle with a radius of 10 feet?

The area of a circle with radius r feet is pi*r*r square feet.

How many square feet in a 80 inch radius of a circle?

If the radius of a circle is 80 inches, then the area of the circle is 139.6263 square feet. (rounded)

How many square feet are in a circle with a radius of ten feet?

314 square feet.

How many square feet in a circle with a radius of 25?

About 1,963.49 square feet.

How many square feet in a circle with radius of 75 feet?

A circle with a radius of 75 feet has an area of 17671.458676442588 square feet. You calculate this by using the area of a circle formula, which is A=pi*r^2.

How many square feet in a 34 foot Circle?

Area of the circle in square feet: pi*radius squared

How many square feet in a circle with a 12 foot radius?

452 square feet.

How many square feet in a circle of 30 feet?

Area of a circle = pi*radius squared

How many square feet in a circle with a radius of 50 feet?

A circle with a radius of 50 feet has an area of pi*502 = 7854.0 sq ft

How many square feet are in a 40 foot radius circle?

That would be 5026.55 square feet.

How many square feet in a circle with a radius of 31 feet?

3,017.54sq ft

How many square feet are in a 25 foot radius?

A 25-foot radius circle is 1,963.5 ft2

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