Solve Applied Problems Using the Law of Cosines
-Two Sailboats $21 \mathrm { mph }$

Multiple Choice

Solve Applied Problems Using the Law of Cosines
-Two sailboats leave a harbor in the Bahamas at the same time. The first sails at $21 \mathrm { mph }$ in a direction $350 ^ { \circ }$ . The second sails at $33 \mathrm { mph }$ in a direction $220 ^ { \circ }$ . Assuming that both boats maintain speed and heading, after 4 hours, how far apart are the boats?

A) $196.8$ miles
B) $125.6$ miles
C) $142.7$ miles
D) $171.9$ miles