Question
A pole leans away from the sun at an angle of 7° to the vertical. When the angle of elevation of the sun is 51°, the pole cast a shadow 47ft. long on level ground. How long is the pole?
Answers
using the law of sines, the pole's height h can be found after determining all the angles involved.
h/sin51° = 47/sin47°
h/sin51° = 47/sin47°
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