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What is the circumference of a circle with a radius of 9?

Updated: 12/15/2022

Wiki User

∙ 12y ago

Best Answer

Circumference=2Ï€radius (Ï€ is pi)

so...

C=2*Ï€*9=18Ï€â‰ˆ56.549

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∙ 12y ago

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A circle has a circumference of 18 pi so what is the radius of this circle?

If a circle has a circumference of 18pi, the radius is 9.

How is the circumference of a circle with radius 9 cm related to the circumference of a circle with diameter of 9cm?

Doubling the radius doubles the circumference.

What is the circumference of a circle whose diameter is 9 cm?

A circle with a radius of 4.5 cm has a circumference of 28.27 cm

If there is a radius of 9 cm what is the circumference of the circle?

18 pi

Circumference of a circle with radius 9 inches?

r2*pie=circumference 9(9)*pie 81*pie 254

Related questions

What is a circumference of a circle with the radius of 9 inches?

A circle with a radius of 9 inches has a circumference of 56.55 inches.

A circle has a circumference of 18 pi so what is the radius of this circle?

If a circle has a circumference of 18pi, the radius is 9.

How is the circumference of a circle with radius 9 cm related to the circumference of a circle with diameter of 9cm?

Doubling the radius doubles the circumference.

What is the radius of a circle with a circumference with a 9?

The radius is 1.43

What is the circumference of a circle if the radius is 9 in?

Circumference = 2Π• radius 2Π•9 = (18×Π)"≈ 56.5"

What is the circumference and diameterof a circle with a radius of 9 inches?

A circle with a radius of 9 inches has a circumference of 56.55 inches and a diameter of 18 inches.

What is the radius of a circle with a circumference of 9?

The radius is about 1.432 units.

What is the circumference of a circle that the radius is 9 centimeters?

circumference = 2*pi*9

What is circumference of a circle with radius 9?

56.549

If radius of a circle is 9 centimeters what would be the circumference?

If radius of a circle is 9 centimeters the circumference would be: 56.55 cm (r x 2 x Pi = circumference).

What is the circumference of a circle with a radius of 9 yards?

The circumference is about 56.55 yards.

What is the circumference of a circle that is 18m in diameter?

A circle with a radius (d/2) of 9 meters has a circumference of 56.5 meters.

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