A surveyor is measuring a triangular plot of land PQRPQRPQR. The interior angle at P P\,P is 75∘ 75^\circ\,75∘ and the interior angle at R R\,R is 35∘35^\circ35∘. The side length PQ PQ\,PQ is 15 m.
Work out the area of the triangular plot PQRPQRPQR. Give your answer to 1 decimal place.
