NCERT Solutions Class 9 Mathematics Chapter 7 Triangles
Exercise 7.1 Q.1) In quadrilateral π΄πΆπ΅π·, π΄πΆ = π΄π· and AB bisects β A (see Fig.). Show that π₯π΄π΅πΆ β π₯π΄π΅π·. What can you say about BC and BD? Sol.1) Given, AC = AD and AB bisects β π΄ To prove, π₯π΄π΅πΆ β π₯π΄π΅π· Proof, In π₯π΄π΅πΆ and π₯π΄π΅π·, AB = AB (Common) AC = AD (Given) β πΆπ΄π΅β¦
CBSE Class 9 Mathematics Triangles Notes
IX Mathematics Chapter 7: Triangles Chapter Notes Top Definitions 1. Two figures are congruent, if they are of the same shape and of the same size. 2. Two figures are similar, if they are of the same shape but of different size. 3. SAS congruence rule: Twoβ¦