Question 1 - Examples - Chapter 7 Class 9 Triangles

Last updated at Dec. 13, 2024 by

Example 9 - D is a point on side BC of ABC such that AD = AC - Side inequality

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Question 1 D is a point on side BC of ABC such that AD = AC (see figure). Show that AB > AD. AD = AC So, ACD = ADC Now, ADC is an exterior angle for ABD. ADC = ABD + BAD So, ADC > ABD ACD > ABD AB > AC AB > AD 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