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In the Given Figure, Find ∠Pqr. - Mathematics

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Question

In the given figure, find ∠PQR.

Sum

Solution

SQR is a straight line

∴ ∠SQT + ∠TQP + ∠PQR = 180°

⇒ x + 70° + 20° – x + ∠PQR = 180°

⇒ 90° + ∠PQR = 180°

⇒ ∠PQR = 180°− 90° = 90°

Hence ∠PQR = 90°

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Introduction to Lines and Angles
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Chapter 14: Lines and Angles (Including Construction of angles) - Exercise 14 (A)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 14 Lines and Angles (Including Construction of angles)
Exercise 14 (A) | Q 5
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