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Solve the Right Triangle θ=50\theta = 50 ^ { \circ }

Question 156

Multiple Choice

Solve the right triangle. If two sides are given, give angles in degrees and minutes.
-A conservation officer needs to know the width of a river in order to set instruments correctly for a study of pollutants in the river. From point A, the conservation officer walks 105 feet downstream
And sights point B on the opposite bank to determine that θ=50\theta = 50 ^ { \circ } (see figure) . How wide is the river
(round to the nearest foot) ?  Solve the right triangle. If two sides are given, give angles in degrees and minutes. -A conservation officer needs to know the width of a river in order to set instruments correctly for a study of pollutants in the river. From point A, the conservation officer walks 105 feet downstream And sights point B on the opposite bank to determine that  \theta = 50 ^ { \circ }  (see figure) . How wide is the river (round to the nearest foot) ?   A)   80 \mathrm { ft }  B)   88 \mathrm { ft }  C)   125 \mathrm { ft }  D)   163 \mathrm { ft }


A) 80ft80 \mathrm { ft }
B) 88ft88 \mathrm { ft }
C) 125ft125 \mathrm { ft }
D) 163ft163 \mathrm { ft }

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