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OpenStudy (anonymous):
The picture shows a portion of a river dam. What is the length, in meters, of the distance between the tip of the dam to the base?
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OpenStudy (anonymous):
OpenStudy (anonymous):
The answer is either 115/cos 50°, 115 cos 50°, 115 tan 50°, or 115/sin 50°
OpenStudy (allank):
cos(50)=115/(length we're looking for)
OpenStudy (allank):
thus length = 115/cos50
OpenStudy (anonymous):
thanks!
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OpenStudy (allank):
you're welcome.
OpenStudy (anonymous):
cos 50= 115/x x=115/cos50 =178.90
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