Ex 7.1, 4 - Chapter 7 Class 9 Triangles

Last updated at Dec. 13, 2024 by

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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

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo