Complementary and supplementary angles

In this article, we will introduce you to the rules of complementary and supplementary angles and how to use them to find the value of a missing angle. Definition of the Complementary and supplementary angles Two angles with a sum of 90 degrees are called complementary angles. Two angles with a sum of 180 degrees are Supplementary angles. Examples Complementary and supplementary angles - Example 1: Find the missing angle. Solution: Notice that the two angles form a right angle. This means that the angles are complementary, and their sum is 90. Then:...