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Hello!! In this video we will study the 5 types of angles that we can recognize in a circumference, that is, we will see the Center Angle, Inscribed Angle, Semi-inscribed Angle, Interior Angle and Exterior Angle. We will also relate each angle with its arc and we will see an example for each case. 00:00 Introduction 00:13 Basic Elements of a Circumference 01:10 Types of Angles in the Circumference 02:20 Center Angle 02:58 Inscribed Angle 03:25 Theorem 04:20 Semi-inscribed Angle 04:53 Theorem 06:36 Interior Angle 07:37 Exterior Angle