A motorist from 0° and move a direction 030° for 36km.He then moves 7km towards the west.How far east is he from point 0°

his eastward motion is

36 sin30° - 7 = 18-7 = 29km

0° is not a point. (0,0) is a point.

sin 30= x/36

x=36sin 30
x=18km
18-7=11km
=11km east from the starting point