Check sibling questions

Example 9 - Chapter 7 Class 9 Triangles (Term 1)

Last updated at May 29, 2018 by

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

Transcript

Example 9 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

Davneet Singh's photo - Teacher, Engineer, Marketer

Made by

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.