Class 9 | Chapter 7 | Triangles | Exercise 7.3 | Question 1

09 Aug
Class 9 - Triangles, , , , ,

Question 1: △ABC and △DBC are two isosceles triangles on the same base BC and vertices A and D are on the same side of BC (see Fig. 7.39). If AD is extended to intersect BC at P, show that

(i) △ABD ≅ △ACD

(ii) △ABP ≅ △ACP

(iii) AP bisects ∠A as well as ∠D.

(iv) AP is the perpendicular bisector of BC.

Ex: 7.2 | Question 8
Question 2

Chapter 7 – Triangles

This playlist covers all the questions, concepts, theorems and examples of chapter 7 (Triangles) of class 9, NCERT textbook. Click a thumbnail to watch the tutorial. 

Watch complete chapter on YouTube
​

Theorems

Theorem 7.1

Theorem 7.2

Theorem 7.3

Theorem 7.4

Theorem 7.5

Theorem 7.6

Theorem 7.7

Theorem 7.8

Exercise 7.1

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Exercise 7.2

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Exercise 7.3

Question 1

Question 2

Question 3

Question 4

Question 5

Exercise 7.4

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Examples

Example 1

Example 2

Example 3

Example 4

Example 5

Example 6

Example 7

Example 8

Example 9

Written by 

Mathematics is like music - Enjoy it!!!