Using a ruler and a compass only;

- Draw triangle PQR in which PQ=7.5cm QR=5cm and angle PQR=60°
- By shading the unwanted regions, find the position of S where S and Q are on opposite sides of PR such that:
- Angle PSR ≤ 60°
- PS ≥ SR
- PS ≥ 5cm
- Area of triangle PSQ ≤ 7.5cm
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