Homework Help: trig

Posted by minh on Saturday, May 7, 2011 at 6:31pm.

A tree casts a shadow 50 yards long when the angle of the sun (measured from the
horizon) is 30 degree. How tall is the tree in feet?
(A) 150p3 (B) 50p3 (C) 150 (D) 75p3 (E) None of the above.

trig - Henry, Sunday, May 8, 2011 at 3:33pm
50yds = 150 ft.

150tan30 = 150*sqrt3/3 = 50sqrt3 = 50p3
trig - Dahlia, Sunday, April 22, 2012 at 8:57pm
150

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