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Ex 6.3, 1 (iii) - Chapter 6 Class 7 Triangle and its Properties

Last updated at Sept. 28, 2021 by

Ex 6.3, 1 - Chapter 6 Class 7 Triangle and its Properties - Part 3

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Ex 6.3, 1 (iii) Find the value of the unknown x in the following diagrams: Given, ∠X = 30 ° ∠Y = 110° ∠Z = x We know, Sum of angles in triangles = 180° ∠X + ∠Y + ∠Z = 180° 30° + 110° + x = 180° 140° + x = 180° x = 180° − 140° x = 40°

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