Solve the Right Triangle $22 ^ { \circ } 9 ^ { \prime }$

Multiple Choice

Solve the right triangle. If two sides are given, give angles in degrees and minutes.
-From a boat on the river below a dam, the angle of elevation to the top of the dam is $22 ^ { \circ } 9 ^ { \prime }$ . If the dam is 1421 feet above the level of the river, how far is the boat from the base of the dam (to the nearest foot) ?

A) $3481 \mathrm { ft }$
B) $3471 \mathrm { ft }$
C) $3461 \mathrm { ft }$
D) $3491 \mathrm { ft }$