The shape of a farm is a quadrilateral. Measurements taken of the farm,by naming its corners as P,Q,R,S in order are as follows.l(

The shape of a farm is a quadrilateral. Measurements taken of the farm,by naming its corners as P,Q,R,S in order are as follows.l(PQ)=170m,l(QR)=250m, l(RS)=100m,l(PS)=240m,l(PR)=260m. Find the area of the field in hectare(1 hectare=10000 sqm​

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