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Mathematics 13 Online
OpenStudy (gabbs_reyes):

Two swimmers are observed by a lifeguard in a 30-foot tower above the water. The angles of depression are 12.7° and 14.5°. How far apart are the swimmers?

OpenStudy (johnweldon1993):

Well first, we need a diagram of the situation |dw:1474051875350:dw|

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