Q: What is the circumference of 9 inch diameter circle?

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If the diameter of a circle is 9 the circumference is: 28.3

circumference = pi * diameter so, diameter = 9/ pi = 2.86

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

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

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

Related questions

(9 pi) inches is.

If the diameter of a circle is 9 the circumference is: 28.3

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

(pie)(diameter)=(circumference) (pie)(9)(2)=18(pie)=56.549

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

circumference = pi * diameter so, diameter = 9/ pi = 2.86

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

Circumference of 9 inches: 2.864788975654119in. (for pi I used 3.14159265358979) Diameter of 9 inches: 4.5in.

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

56.548667764616276 circumference = PI * diameter

9/3.14159

28.26