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OpenStudy (anonymous):
A fan at a sporting event is sitting at point A in the bleachers. The bleacher seating has an angle of elevation of 30* and a base length of 90 feet. Find the height CD of the bleachers. Round to the nearest tenth. A. 63.6 ft B. 52.0 ft C. 51.8 ft D. 45 ft
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OpenStudy (anonymous):
|dw:1315684176701:dw| tan(30*)=x/90 x=90tan(30*) x= 51.96, so x = 52.0 B.
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