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OpenStudy (anonymous):
a skyscraper casts a shadow 200 feet long if the angle of elevation of is 42 degrees, then the height of the skyscraper is ?
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OpenStudy (anonymous):
is it 180.0 feet?
OpenStudy (stamp):
|dw:1361677972597:dw|
OpenStudy (stamp):
tan(42°) = h/200 200tan(42°) = h h = 180.1 ft
OpenStudy (anonymous):
thanks!
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