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The radius is 3.34 units.

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Q: What is the radius of a circle with a circumference of 21 units?
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Related questions

What is the circumference of a circle if r equals 21?

A circle with a radius of 21 units has a circumference of 131.95 units.


What is the radius of a circle with a circumference of 21?

21/(2*pi) = a radius of about 3.342253805 units


What is the radius of a circle if its circumference is 42π?

Circumference = 2Ï€r = 42Ï€ so r = 21 units.


What is the circumference of a circle with the radius of 21 inches?

A circle with a radius of 21 inches has a circumference of 131.95 inches.


What is the circumference of a circle whose radius is 21 meters?

A circle with a radius of 21 meters has a circumference of 131.95 meters.


What is the circumference of a circle of radius 21?

The circumference is 42pi, or approximately 131.946864


What is the circumference of a circle with radius of 21 cm?

132cm


if a circle has a radius of 21 what is the circumference?

C = 131.95


If the radius of a circle is 21cm What is the radius?

The radius of any circle is the straight line distance from the centre of the circle to any point on the circumference of the circle. The radius being 21 cm makes no difference to the definition of the radius; it just means that the straight line distance from the centre of that circle is 21cm away from any point on the circumference of that circle. The radius of a circle with a radius of 21 cm is 21 cm.


What is the radius of a circle with a 21 inch circumference?

the radius is 10.5 inches. * * * * * Wrong! Circumference = 2*pi*Radius Or, Radius = Circumference/(2*pi) So circumference = 21 inches implies radius = 3.34 inches (to 3 sf)


What is the area of a circle if the radius is twenty-one?

A circle with a radius of 21 units has an area of 1,385.44 square units.


What is the circumference of a circle with a radius of 21 feet?

65.94 feet