Difference between revisions of "Semiperimeter"
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| − | The '''semiperimeter''' of a figure is | + | The '''semiperimeter''' of a figure is one half of the [[perimeter]], or |
<math>\frac{P}{2}</math>, where <math>P</math> is the total perimeter of a figure. | <math>\frac{P}{2}</math>, where <math>P</math> is the total perimeter of a figure. | ||
Revision as of 12:49, 6 July 2006
The semiperimeter of a figure is one half of the perimeter, or
, where 
is the total perimeter of a figure.
Applications
The semiperimeter has many uses in geometeric formulas. Two well known examples are Heron's formula and Brahmagupta's formula. It frequently shows up in triangle problems.
