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Arbitrary triangle

Arbitrary triangle

A triangle is a shape of plane geometry with three vertices and three sides.
The sides and vertices are called the triangle’s parts.

According to the trigonometric functions, it’s possible to calculate the missing information of a triangle, when at least one side length and to other pieces of information are given.

This sites are dealing with formulas that apply to any given triangle (arbitrary triangles), unlike the Pythagorean Theorem, that only applies to right angled triangles.