Check sibling questions

Ex 7.1, 4 - l and m are two parallel lines intersected - ASA/AAS

Ex 7.1, 4 - Chapter 7 Class 9 Triangles - Part 2

This video is only available for Teachoo black users

Solve all your doubts with Teachoo Black (new monthly pack available now!)


Ex7.1, 4 l and m are two parallel lines intersected by another pair of parallel lines p and q (see the given figure). Show that ABC CDA. Given: l m & p q To prove: ABC CDA Proof: Taking l m and AC is the transversal, ACB = CAD Considering p q and AC is the transversal, BAC = DCA In ABC and CDA, ACB = CAD AC = CA BCA = DAC ABC CDA Hence proved

Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.