1. Chapter 7 Class 9 Triangles
  2. Serial order wise
  3. Examples

Example 9 - Chapter 7 Class 9 Triangles

Last updated at May 29, 2018 by

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

  1. Chapter 7 Class 9 Triangles
  2. Serial order wise
    3. Examples
    Theorems →
Ask Download

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

Chapter 7 Class 9 Triangles
Serial order wise

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.