Difference between revisions of "Lines and Angles"

From CENTUM ACADEMY WIKI!
Jump to: navigation, search
(Concept Lectures)
(Concept Lectures)
Line 22: Line 22:
  
 
[https://youtu.be/iChVqhCPJeE/ Session # 9] : Linear Pair Theorem: Sum of Angles forming a Linear Pair = 180º
 
[https://youtu.be/iChVqhCPJeE/ Session # 9] : Linear Pair Theorem: Sum of Angles forming a Linear Pair = 180º
 +
 +
[https://youtu.be/Q9OVmvVkBIw/ 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.

Revision as of 03:21, 9 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: On Supplementary Angles

Session # 7 : Solved Example # 02: 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.