2025 IGCSE 0580 May/June P22 Q12

2025 IGCSE 0580 May/June P22 Q12

2 marks

\(P\), \(Q\) and \(R\) lie on a circle.

\(QR\) is a diameter.

Find angle \(PRQ\).

Give geometrical reasons for your answer.[2]

Solution:

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Answer:\(\angle PRQ=16^\circ\), since the angle in a semicircle is \(90^\circ\) and the angles of a triangle sum to \(180^\circ\).

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