 ##  [Perimeter](/perimeter) 

  ##  [Perimeter](https://puremath.quantumdictionary.io/perimeter-0) 

  
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- Mathematics &amp; Logic -

**Pure Mathematics Dictionary**

 
Definition

The total length of the closed boundary of a planar region or polygon, obtained by summing or integrating the lengths of the boundary components; for a polygon, it is the sum of the edge lengths.