A scout troop is practicing its orienteering skills with map and compass. First they walk due east for 1.20 km. Next, they walk 45.0° west of north for 2.70 km. In what direction must they walk to go directly back to their starting point? Enter the angle in degrees where positive indicates east of south and negative indicates west of south.

A scout troop is practicing its orienteering skills with map and compass. First they walk due east for 1.20 km. Next, they walk 45.0° west of north for 2.70 km. In what direction must they walk to go directly back to their starting point? Enter the angle in degrees where positive indicates east of south and negative indicates west of south.