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Last updated at Sept. 10, 2018 by Teachoo

Transcript

Example 2 In the given figure (Fig 6.18) find m ∠ P. In ∆PQR, ∠Q = 47° ∠R = 52° ∠P = ? We know, Sum of angles in triangles = 180° ∠P + ∠Q + ∠R = 180° ∠P + 47° + 52° = 180° ∠P + 99° = 180° ∠P = 180° − 99° ∠P = 81°

Angle sum property of a triangle

Chapter 6 Class 7 Triangle and its Properties

Concept wise

About the Author

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.