Ex 6.2, 2 - Find the value of unknown interior angle x in the figures

 

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Ex 6.2, 2 Find the value of the unknown interior angle x in the following figures: (i) In ∆ABC, ∠ACD = 115°, ∠A = 50°, ∠B = x We know that, Exterior angle is sum of interior opposite angles ∠ACD = ∠A + ∠B 115° = 50° + x 115° − 50° = x 65° = x x = 65°

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.