View source for Lines and Angles

==Concept Lectures==

[https://youtu.be/uGInBvMQJNI/ Session # 1] : Introduction: Definition of Lines and Angles, Vertex and sides of an angle, Interior and Exterior of an Angle

[https://youtu.be/9kPEXwOurqc/ Session # 2] : Different ways of measuring and angle, a) Sexagesimal System, b) Circular Measure, c) Centesimal System

[https://youtu.be/iEZ3UEx1VbQ/ Session # 3] : Degrees, Minutes and Seconds, Concept of Negative Angle, Axioms related to Angles

[https://youtu.be/E-pJtCEMKiw/ Session # 4] : Types of Angles: Acute, Right, Obtuse, Straight, Reflex and Complete Angles; Angles measuring more than 360 degrees.