class 9th exercise 7.2 – Triangles (Class 9) Exercise 7.2 Solutions (Class 9) Triangles 1. In an isosceles triangle ABC, with AB = AC, the bisectors of ∠B and ∠C intersect each other at O. Join A to O. Show that: (i) OB = OC (ii) AO bisects ∠A. (i) Show OB = OC: In … Read more
class 9th exercise 7.1 – Triangles (Class 9) Exercise 7.1 Solutions (Class 9) Triangles 1. In quadrilateral ACBD, AC = AD and AB bisects ∠A. Show that ΔABC ≅ ΔABD. What can you say about BC and BD? Proof: In ΔABC and ΔABD: • AC = AD (Given) • ∠CAB = ∠DAB (AB bisects ∠A) … Read more
quadrilateral class 9 extra questions(R.D. Sharma Level – Class 9) Extra Practice Questions Quadrilaterals (R.D. Sharma Level – Class 9) 1. The angles of a quadrilateral are in the ratio 3 : 5 : 9 : 13. Find all the angles of the quadrilateral. Let the angles be 3x, 5x, 9x, and 13x. The sum … Read more