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


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 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, Social Science, Physics, Chemistry, Computer Science at Teachoo.