Areas Calculate Settings

Area and Perimeter of Triangle

triangle.png

Side lengths

a =   , b =   , c =  

Perimeter

P = a + b + c

Area (Heron formula)

Semiperimeter - p = 0.5·P

A =  p·(p – a)·(p – b)·(p – c)

The sum of the lengths of each two sides must be greater than the third side.