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Q: What is the circumference of a circle if the radius is 3?

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The circumference of a circle if its radius is 3 is about 18.85

A circle with a radius of 3 units has a circumference of 18.85 units.

The circumference of a circle with a radius of 3 m is: 18.85 m.

The radius is 3.

Circumference of a circle = 2*pi*radius or diameter*pi

The circumference of a circle when the radius is 3 inches is: 18.8 inches (r x 2 x Pi = circumference)

18.85

18.84955592....

18.84

The radius of a circle is circumference/2 pi .

the formula for the circumference of a circle is pi*diameter. the diameter is 2*radius so if 1.5 is the radius, 3 is the diameter plug 3 into the formula... circumference=3.14*3 circumference=9.42

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