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circumference of pipe diameter 3090mm

math geometry
Guest Aug 20, 2014

Best Answer 

 #1
avatar+93683 
+10

The radius of a circle is a half of the diameter.

The forumula for circumference is

 

  $$\\C=2\pi r\\\\
\mbox{This is }\\\\\quad C=2\times \pi \times r$$

 

You should be able to do this yourself.  Let us know if you have more problems.  

Melody  Aug 20, 2014
 #1
avatar+93683 
+10
Best Answer

The radius of a circle is a half of the diameter.

The forumula for circumference is

 

  $$\\C=2\pi r\\\\
\mbox{This is }\\\\\quad C=2\times \pi \times r$$

 

You should be able to do this yourself.  Let us know if you have more problems.  

Melody  Aug 20, 2014

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