Lesson 18 of 33 • 0 upvotes • 8:08mins
This lecture gives an introduction about the concept of triangles along with basic definitions and terms. The classification of triangles is also introduced. everyday applications of the triangle shapes are also covered.
33 lessons • 5h 1m
Introduction to Geometry
10:42mins
What is Geometry
9:03mins
Points and Lines
9:24mins
Types of Lines
8:34mins
Distance and Angle Between Lines
8:33mins
Angle between lines and laws
9:11mins
Line segments and types of lines
9:03mins
Axioms and laws of lines
10:09mins
Angles
9:35mins
More types of angles
8:50mins
Types of angle pairs
9:14mins
More types of pairs of angles
8:48mins
Important results on angles
9:10mins
Transversal cutting parallel lines
9:04mins
Special angles in a transversal
8:33mins
Properties of a transversal
9:49mins
Solved examples on transversals
9:28mins
Triangles
8:08mins
Triangle types based on angles
9:30mins
Triangle types based on sides
9:41mins
Pythagoras theorem
9:00mins
Interior and exterior angles
9:41mins
Heron's formula and determinant
8:45mins
Altitude, bisector and median
9:26mins
Orthocentre, in centre, centroid and circumcenter
9:23mins
Basic properties of triangles
8:34mins
Similarity in triangles
8:17mins
Criteria for similarity
8:46mins
Congruence in triangles
8:03mins
Criteria for congruency
8:45mins
Important theorems of triangles
9:07mins
More theorems on triangles
8:52mins
Triangles - interesting facts
10:20mins