MathLivePerimeter of a polygon
The perimeter of a polygon is the total length of its boundary, found by adding the lengths of all its edges. It is used whenever the distance around a polygonal shape is needed.
l=\sum_{k=1}^{n} a_kWhat the symbols mean
| perimeter of the polygon (length) | |
| number of edges of the polygon | |
| length of the k-th edge | |
| index running over the edges, from 1 to n |
About this formula
- FieldMathematics
- TopicPlane geometry
- LevelHigh school
- Also calledperimeter, perimeter length, length of perimeter, polygon perimeter, sum of edge lengths, circumference of a polygon
- SourceWikidata Q28474
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