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OpenStudy (anonymous):
A pole 7.8 meters tall stands vertically on the side of a mountain. It ubtends an angle of 20(degrees)50(minutes) at a point 50 meters down the mountain side from the foot of the pole. What is the angle of inclination of the mountaide with the ground?
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OpenStudy (anonymous):
is it 42.7?
OpenStudy (anonymous):
3.18
OpenStudy (anonymous):
7.8/sinx=50/sin(20+5/6) x=3.18
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