Q9 of 53 Page 158

In Δ PQR, m∠Q = 90 and PQ = QR. ,. If QM = 2, PQ =



Since ∠Q = 90 and PQ = QR , therefore ∠QPR = ∠QRP = θ


As sum of all of triangle = 180°


⇒ 2θ + 90 = 180


⇒ θ = 45°



⇒ PQ = 2√2


∴ Option (b) is correct.

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