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Q: If the diameter of a circle is 9 what is the circumference?

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The circumference of 9 inch diameter circle is about 28.27 inches.

If the diameter of a circle is 69mm then the circumference is: 216.8mm (diameter x pi = circumference).

If 9 cm is the diameter, I think the circumference should be 9 times pi centimeters, which is approximately 28.274333882308139146163790449516 centimeters for the circumference. *********************************************** The circumference of a circle can be found by multiplying pi ( π = 3.14 ) by the diameter of the circle. Thus: 3.14 x 9 = 28.26cm

Circumference of a circle is: 2*pi*radius or pi*diameter

Since the circumference is the diameter times pi, it follows that the diameter is the circumference divided by pi. Pi is approximately 3.1416.

Related questions

If a circle has a circumference of 9, the diameter is: 2.864

A circle with a diameter of 9 feet has a circumference of about: 28.27 feet (diameter x Pi = circumference).

The circumference of 9 inch diameter circle is about 28.27 inches.

Circumference of any circle = (pi) x (diameter) Circumference of this circle = (pi) x (9 feet)

28.26

56.548667764616276 circumference = PI * diameter

The circumference of a circle is equal to Pi x diameter. So, 9 x 3.1416 = about 28.274 units.

28.27 units.

The diameter of a circle who's circumference is 28.26 miles is: nine (9) miles

If the diameter of a circle is 69mm then the circumference is: 216.8mm (diameter x pi = circumference).

Doubling the radius doubles the circumference.

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

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