Asked by Whitney
Kevin and Rob are standing on opposite sides of Edmonton's River Valley. In order to see a boat on the river, Kevin has to look down 32°, and Rob has to look down 38°. The width of the valley is 750m, and the boat is exactly between Kevin and Rob. How much higher is Rob than Kevin?
Answers
Answered by
Steve
If their heights are k and r, then
k/375 = sin 32°
r/375 = sin 38°
So, the difference is
r-k = 375(sin38°-sin32°)
k/375 = sin 32°
r/375 = sin 38°
So, the difference is
r-k = 375(sin38°-sin32°)
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