# semiperimeter

The semiperimeter of a polygon is half of its perimeter (http://planetmath.org/Perimeter2).

Semiperimeters are most commonly used for determining the area of a triangle. The most famous example of this usage is Heron’s formula. There is also a for the area of a quadrilateral which involves semiperimeter.

Title semiperimeter Semiperimeter 2013-03-22 16:58:13 2013-03-22 16:58:13 Wkbj79 (1863) Wkbj79 (1863) 9 Wkbj79 (1863) Definition msc 51-00 Perimeter2 BasicPolygon