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

Question

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

Accepted Answer

$520\text{ m}^2$

Geometric Analysis of Right-Angled and Extended Triangles