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OpenStudy (anonymous):
The angle of elevation to the top of a 30-story skyscraper is measured to be 4º from a point on the ground 2,500 feet from the building. What is the height of the skyscraper to the nearest hundredth foot?
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OpenStudy (anonymous):
@Agl202
OpenStudy (anonymous):
HELP
OpenStudy (anonymous):
@jtvatsim
OpenStudy (anonymous):
@Astrophysics
jimthompson5910 (jim_thompson5910):
Drawing |dw:1433638025129:dw|
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jimthompson5910 (jim_thompson5910):
with respect to the 4 degree angle, the h is the opposite side, the 2500 is the adjacent side |dw:1433638113342:dw| which trig function ties together those two sides?
OpenStudy (anonymous):
tangent?
jimthompson5910 (jim_thompson5910):
yep tan = opp/adj
jimthompson5910 (jim_thompson5910):
tan(4) = h/2500 solve for h
OpenStudy (anonymous):
174.81?
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jimthompson5910 (jim_thompson5910):
I got 174.817029858777 so if you round to 2 decimal places, then it would be 174.82 |dw:1433638310319:dw|
OpenStudy (anonymous):
YAY THANK YOU!
jimthompson5910 (jim_thompson5910):
yw
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