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0.7161972439135291...

Circumference = pi*diameter which yields circumference/pi = diameter

2.25/pi = diameter

2.25/pi = 0.7161972439135291...

Q: What is the diameter if the circumference is 2.25?

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Simply multiply the diameter times pi.

Circumference is Pi x Diameter so do Circumference divided by Pi to get the diameter :)

Circumference of a circle = diameter*pi Diameter of a circle = circumference/pi

diameter = circumference/pi

Circumference = pi*diameter So diameter = circumference/pi = 1.59 units

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Simply multiply the diameter times pi.

The given measure, 225*pi cm is a linear measure so it cannot refer to the area. It could refer to the radius or the circumference of the circles, or the length of an arc or a segment of the circle. It could, of course refer to something else, but then the task of finding the diameter is near impossible. If it is the length of an arc or a segment, you require further information. Since that is not provided, perhaps one can assume that the measure does not refer to either. That leaves the radius or the circumference. If the radius is 225*pi then the diameter is simply 2*radius = 450*pi cm. If the circumference is 225*pi, then the diameter is circumference/pi = 225 cm.

Circumference is Pi x Diameter so do Circumference divided by Pi to get the diameter :)

Circumference of a circle = diameter*pi Diameter of a circle = circumference/pi

Diameter = Circumference/pi

diameter = circumference/pi

Circumference is pi times diameter. Diameter is circumference divided by pi. Diameter is twice the radius. Radius is half the diameter.

using the formula circumference=diameter X pi: circumference=diameter X pi circumference/pi=diamter X pi/pi circumference/pi=diameter therefore, diameter=circumference/pi diameter=12mm/3.14 diameter=3.821mm

Since the circumference is Pi times the diameter then divide the circumference by Pi (3.14159) to get the diameter

The circumference of a 13.5 diameter circle is: 42.41(diameter x pi = circumference).

Circumference = pi*diameter So diameter = circumference/pi = 9.87 mi

If a circle has a circumference of 8 the diameter is: about 2.546 (circumference divided by pi = diameter).