Construct a quadrilateral PQRS in which ∠Q=45∘, ∠R=90∘,QR=5cm,PQ=9 cm and RS=7 cm.
This quadrilateral is not possible to construct as shown in the figure.
The area of quadrilateral PQRS, in which PQ = 7 cm, QR = 6 cm, RS = 12 cm, PS = 15 cm and PR = 9 cm: