This free triangle calculator computes the edges, angles, area, height, perimeter, median, as well as other values and a diagram of the resulting triangle.

Learn the two important triangle formulas, the area of a triangle, and the perimeter of a triangle. These two formulas are applicable to all types of triangles. Understand the triangle formulas with derivation, …

May 13, 2024 · Triangles are classified into two groups: based on sides, 1) scalene, 2) isosceles, and 3) equilateral triangles; based on angles, 1) acute angle, 2) obtuse angle, and 3) right or right-angled …

A triangle has three sides and three angles. The three angles always add to 180°. There are three special names given to triangles that tell how...

The sides, a and b, of a right triangle are called the legs, and the side that is opposite to the right (90 degree) angle, c, is called the hypotenuse. This formula will help you find the length of either a, b or …

Jul 23, 2025 · The most general formula for the area of a triangle is given by half the product of its base and height. It applies to all types of triangles, whether it is equilateral, isosceles triangles, or scalene …

Here you will find our support page on triangles, including properties of triangles and triangle formulas and theorems. At the bottom of each section you will also find a printable version of parts of this …

Learn about the comprehensive collection of triangle formulas, including calculations for area and perimeter for different types of triangles with solved examples.

Right triangle calculator to compute side length, angle, height, area, and perimeter of a right triangle given any 2 values. It gives the calculation steps.

Triangle formulas with pictures and links to lessons on each one.