Solve the Problem

Multiple Choice

Solve the problem. Be sure to make a diagram of the situation with all the given information labeled. A tree on one side of a river is due west of a rock on the other side of the river. From a stake 19 yards north of the rock, the bearing of the tree is S18.7°W. How far is it from the rock to the tree? Round to the nearest tenth of yards. ​

A) 7.9 yd
B) 11.7 yd
C) 6.4 yd
D) 5.4 yd
E) 4.0 yd