Perimeter of a Triangle


A perimeter is a path that surrounds a two-dimensional shape. The word comes from the Greek peri (around) and meter (measure). The term may be used either for the path or its length – it can be thought of as the length of the outline of a shape. The perimeter of a circle or ellipse is called its circumference.

Related formulas


PPerimeter of a Triangle (m)
alength of the side a (m)
blength of the side b (m)
clength of the side c (m)