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The answer will depend on what 15 dm represents: the radius, diameter or even circumference!

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what is the formula and what is the circumference

Q: What is the circumference of 15dm?

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No. It is circumference/(2*pi)No. It is circumference/(2*pi)No. It is circumference/(2*pi)No. It is circumference/(2*pi)

circumference=pi circumference=pi circumference=pi

circumference=r2pi

The formula for circumference is pi*d = circumference. Therefore just divide the circumference by pi to get diameter. Approx. answer = 5.73

Pi X D = Circumference. To find Diamater if you know Circumference, divide Circumference by Pi (3.14).

Related questions

15dm squared is 225dm.

150cm=15dm

150cm = 15dm There are 10cm in a decimeter.

A circumference is 4

No. It is circumference/(2*pi)No. It is circumference/(2*pi)No. It is circumference/(2*pi)No. It is circumference/(2*pi)

The circumference of Betelgeuse is about 1180 times the circumference of our sun.

circumference=pi circumference=pi circumference=pi

Circumference = 2pi*r Circumference = 86pi

circumference=r2pi

circumference of the tire.

circumference = 24.5

Circumference = 12Diameter = Circumference/piRadius = Diameter/2 = circumference/(2 pi) = 1.9099 (rounded)