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Ex 6.2, 2 (ii) - Chapter 6 Class 7 Triangle and its Properties
Last updated at May 29, 2023 by Teachoo
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°
