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Ex 6.2, 1 - Find the value of the unknown exterior angle x in

 

 


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Ex 6.2, 1 (i) Find the value of the unknown exterior angle x in the following diagrams:In ∆ABC, ∠ACD = x ∠A = 50° ∠B = 70° We know that, Exterior angle is sum of interior opposite angles ∠ACD = ∠A + ∠B x = 50° + 70° x = 120°

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.