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Ex 6.3, 1 - Find the value of the unknown x in the diagrams

 

 

 

 

 

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Ex 6.3, 1 (i) Find the value of the unknown x in the following diagrams: Given, ∠A = x ∠B = 50° ∠C = 60° We know that, Sum of angles in triangles = 180° ∠A + ∠B + ∠C = 180° x + 50° + 60° = 180° x + 110° = 180° x = 180° − 110° x = 70°

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.