06+Applications+of+Law+of+Cosines

= **Applications of Law of Cosines** =

The law of cosines is used to solve triangles that are not right triangles. The law of cosines is an extension of the Pythagorean theorem.
====You use the law of cosines for calculating one side of a triangle when the angle opposite and the other two sides are known. The law of cosines can be used to find all sides and angles of a triangle. ====

==== The Law of Cosines is used to find the unknown side of a triangle. The opposite angle and the other two sides must be given. The Law of Cosines could also be used to find the unknown angle in the triangle as long as all three sides are known. ====

**Solutions** :