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Geometric Analysis of Right-Angled and Extended Triangles

Geometric Analysis of Right-Angled and Extended Triangles

Secondary 3

Calculate the area of triangle \(PQR\) where \(PQ=30\) m, \(QR=40\) m and angle \(PQR=60{}^\circ \).

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Answer:\(520\text{ m}^2\)

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