Angles that add together to make a right angle are called complementary angles. If you know one complementary angle you can subtract it from 90° to find a missing angle.

Adjacent angles are one of the earliest and most important concepts to learn in basic geometry, as they have applications in further subjects like trigonometry, physics, and engineering. Effective ...

Angles are often described using three letters. Angles can be drawn and measured using a protractor. Finding angles between lines Complementary angles form a right angle. Supplementary angles form ...

Two congruent angles are simply pairs of angles with equal measures. You can find congruent angles examples in hundreds of everyday objects.