Difference between revisions of "Lines and Angles"

From CENTUM ACADEMY WIKI!
Jump to: navigation, search
(Solved Examples)
Line 34: Line 34:
  
 
[https://youtu.be/APnYHD6ReKc/ Session # 14]: Solved Example # 05: On Linear Pairs
 
[https://youtu.be/APnYHD6ReKc/ Session # 14]: Solved Example # 05: On Linear Pairs
 +
 +
==Concept Lectures==
 +
 +
[https://youtu.be/GTpm499q1G8/ Session # 15]: Vertically Opposite Angles are equal

Revision as of 02:10, 12 September 2019

Concept Lectures

Session # 1 : Introduction: Definition of Lines and Angles, Vertex and sides of an angle, Interior and Exterior of an Angle

Session # 2 : Different ways of measuring and angle, a) Sexagesimal System, b) Circular Measure, c) Centesimal System

Session # 3 : Degrees, Minutes and Seconds, Concept of Negative Angle, Axioms related to Angles

Session # 4 : Types of Angles: Acute, Right, Obtuse, Straight, Reflex and Complete Angles; Angles measuring more than 360 degrees.

Session # 5 : Complementary Angles, Supplementary Angles and Angle Bisectors

Solved Examples

Session # 6 : Solved Example # 01: Two Problems On Supplementary Angles

Session # 7 : Solved Example # 02: Two Problems On Supplementary Angles

Concept Lectures

Session # 8 : Angle Relations: Adjacent angles and Linear Pair

Session # 9 : Linear Pair Theorem: Sum of Angles forming a Linear Pair = 180º

Session # 10: Converse of Linear Pair Theorem: If two adjacent angles sum up to 180º then the non-common arms are opposite to each other.

Session # 11: Sum of angles around a point is 360º

Solved Examples

Session # 12: Solved Example # 03: On Linear Pairs

Session # 13: Solved Example # 04: On Linear Pairs

Session # 14: Solved Example # 05: On Linear Pairs

Concept Lectures

Session # 15: Vertically Opposite Angles are equal