Ex 6.2, 2 - Chapter 6 Class 7 Triangle and its Properties - Part 2

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  1. Chapter 6 Class 7 Triangle and its Properties
  2. Serial order wise

Transcript

Ex 6.2, 2 Find the value of the unknown interior angle x in the following figures: (ii)In ∆ABC, ∠BCD = 100° , ∠A = 70°, ∠B = x We know that, Exterior angle is sum of interior opposite angles ∠BCD = ∠A + ∠B 100° = 70° + x 100° − 70° = x 30° = x x = 30°

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.