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

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The radius is 3.

circumference= pi(3.14) by the diameter. if your given the radius, double the radius and times by pi.

18.85 18.84....

The circumference of circle with radius 12cm is 75.4cm

The radius of a circle with a circumference of 110 is: 17.507

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

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.

A circle with a radius of 3 inches has a circumference of 18.8 inches

The radius is 3.

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

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

18.85

18.84

18.84955592....

The circumference of a circle is 2*pi*r. With r = 3, the circumference is 6 pi.