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April 27, 2015

Homework Help: Trig

Posted by Alexis on Tuesday, November 3, 2009 at 6:17pm.

A billboard rests on top of a base. From a point level with the bottom of the base, the angle of elevation of the bottom of the billboard is 26 degrees and the top of the billboard is 31 degrees. From a point 21 meters further away, the angle of elevation to the top of the billboard is 17 degrees. Find the height of the billboard.

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