Please Login To Continue

Triangles

Lesson 18 of 33 • 0 upvotes • 8:08mins

Avatar

Shilpa Biju

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.

Continue on app
1

Introduction to Geometry

10:42mins

2

What is Geometry

9:03mins

3

Points and Lines

9:24mins

4

Types of Lines

8:34mins

5

Distance and Angle Between Lines

8:33mins

6

Angle between lines and laws

9:11mins

7

Line segments and types of lines

9:03mins

8

Axioms and laws of lines

10:09mins

9

Angles

9:35mins

10

More types of angles

8:50mins

11

Types of angle pairs

9:14mins

12

More types of pairs of angles

8:48mins

13

Important results on angles

9:10mins

14

Transversal cutting parallel lines

9:04mins

15

Special angles in a transversal

8:33mins

16

Properties of a transversal

9:49mins

17

Solved examples on transversals

9:28mins

18

Triangles

8:08mins

19

Triangle types based on angles

9:30mins

20

Triangle types based on sides

9:41mins

21

Pythagoras theorem

9:00mins

22

Interior and exterior angles

9:41mins

23

Heron's formula and determinant

8:45mins

24

Altitude, bisector and median

9:26mins

25

Orthocentre, in centre, centroid and circumcenter

9:23mins

26

Basic properties of triangles

8:34mins

27

Similarity in triangles

8:17mins

28

Criteria for similarity

8:46mins

29

Congruence in triangles

8:03mins

30

Criteria for congruency

8:45mins

31

Important theorems of triangles

9:07mins

32

More theorems on triangles

8:52mins

33

Triangles - interesting facts

10:20mins

Crack CSIR-UGC NET with Unacademy

Get subscription and access unlimited live and recorded courses from India's best educators
Structured syllabus
Structured syllabus
Daily live classes
Daily live classes
Ask doubts
Ask doubts
Tests & practice
Tests & practice

More from Shilpa Biju

thumbnail
EnglishReasoning and G.I.

Tips and Tricks on Coding & Decoding

Shilpa Biju

Similar Plus Courses

Unacademy is India’s largest online learning platform. Download our apps to start learning


Starting your preparation?

Call us and we will answer all your questions about learning on Unacademy

Call +91 8585858585
Company
About usShikshodayaCareersBlogsPrivacy PolicyTerms and Conditions
Products
Learner appLearner appEducator appEducator appParent appParent app