A dog searching for a bone walks 3.50 m south, then 8.20 m at an angle of 30.0 north of east, and finally 15.0 m west.

A dog searching for a bone walks 3.50 m south, then 8.20 m at an angle of 30.0° north of east, and finally 15.0 m west. Use graphical techniques to find the direction of the dog’s resultant displacement vector. Give the direction of the resultant displacement in degrees (out of 360).