Triangle area 21 ways

The triangle area calculator online will describe in detail how to find the area of any triangle.

Various formulas for calculating the area of triangles will tell you how to do it yourself or just enter the data of your triangle and get a detailed solution with the answer.

  • Calculator
  • Instruction
  • Theory
  • History
  • Report a problem

Выберите тип треугольника
Способ расчета площади треугольника
Cathet A: Cathet B:

Right triangle

A right triangle is a triangle in which one angle is straight (is 90 degrees).
Triangle area formula: The formula for the area of a right triangle on two legs where a, b are the legs.

S =
· a · b
· 5 · 5

Answer: the area of a right triangle with legs 5 and 5 equal to 12.5

Is the material too complicated? Read the related articles:

Your score?