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OpenStudy (anonymous):
Jessica is standing 20 feet away from a skyscraper in New York when she measures the angle of elevation to the top of the building as 88.8°. To the nearest foot, how tall is the building?
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OpenStudy (a_clan):
20 tan 88.8
OpenStudy (anonymous):
20 is the answer?
OpenStudy (anonymous):
no, 20*tan(88.8)
OpenStudy (a_clan):
955
OpenStudy (anonymous):
thanks so much!
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OpenStudy (anonymous):
trig ratio chart to use http://www.themathlab.com/toolbox/geometry%20stuff/trigratios.htm
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