Solve
-To Find the Distance $\mathrm { AB }$ Across a River, a Distance

Multiple Choice

Solve.
-To find the distance $\mathrm { AB }$ across a river, a distance $\mathrm { BC }$ of $786 \mathrm {~m}$ is laid off on one side of the river. It is found that $\mathrm { B }$ $= 110.2 ^ { \circ }$ and $\mathrm { C } = 13.5 ^ { \circ }$ . Find $\mathrm { AB }$ .

A) $224 \mathrm {~m}$
B) $221 \mathrm {~m}$
C) $182 \mathrm {~m}$
D) $185 \mathrm {~m}$