Question 1 - Triangle - Problems - Chapter 6 Class 9 Lines and Angles

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Example 7 - If QT ⊥ PR, ∠TQR = 40° & ∠SPR = 30°, find x & y - Examples

Example 7 - Chapter 6 Class 9 Lines and Angles - Part 2

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Question 1 In Figure, if QT ⊥ PR, ∠TQR = 40° and ∠SPR = 30°, find x and y. In ∆ TQR, ∠ TQR = 40° ∠ QTR = 90° Now, x + ∠ TQR + ∠ QTR = 180° x + 40° + 90° = 180° x + 130° = 180° x = 180° – 130° x = 50° Now, y is the exterior angle of Δ PSR y = ∠ SPR + x y = 30° + 50° y = 80°

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo