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November 21, 2014

November 21, 2014

Posted by **Jerald** on Wednesday, March 6, 2013 at 7:09pm.

But what is this formula usually used for?Diameter=Circumference/π?

Is it used to find the diameter of something?

- Math -
**Ms. Sue**, Wednesday, March 6, 2013 at 7:12pmThat's ok. I'm glad we've straightened out that problem.

The formula is usually written as

Circumference = pi * diameter

But if we want to find the diameter, we can switch it around to

Diameter=Circumference/π

- Math -
**Jerald**, Wednesday, March 6, 2013 at 7:16pmAnd the formula Radius=Circumference/2π

is that used to find the radius? And is it

usually written as Circumference=2πr?

- Math -
**Ms. Sue**, Wednesday, March 6, 2013 at 7:18pmYes.

- Math -
**Jerald**, Wednesday, March 6, 2013 at 7:19pmOkay, thank you again! :D

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