3. THE PACE OF AN ENGINEER IS 0.70m/pace. HE WALKS ALONG THE PERIMETER OF A 4 SIDED LOT ABCD AND FINDS OUT THAT HE MAKES 850 PACES ALONG LINE AB WHOSE BEARING IS S 18 E AND MAKES 1520 PACES ON LINE BC WHOSE BEARING IS N 82 W, MAKES 1220 PACES ON LINE CD WHOSE BEARING IS IS N 32 E. WHAT IS THE AREA OF THE LOT AND THE MAGNITUDE AND DIRECTION OF LINE DA.