01 - Angles and Angle Measure in Degrees - Part 1 - Types of Angles & What is an Angle?

In this lesson, you will learn what an angle is and how angles are measured in math. We will discuss the types of angles, angle measure in degrees, then move on to discussing radian angle measure in a future lesson. There are 360 degrees in every circle. To define an angle less than 360 degrees, we label an initial side of the angle and the terminal side of the angle. We also define the initial side to lie on the x-axis. Angles can be acute, obtuse, and other larger angle measures. We can also have angles with a value larger than 360 degrees, and right angles are exactly equal to 90 degrees. Trigonometry, PreCalculus, Calculus, and Geometry heavily use angle measure when solving problems.

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So this way you will add Positive on the right side and subtract the negative at the same amount on the other side