# trig

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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 -

50yds = 150 ft.

150tan30 = 150*sqrt3/3 = 50sqrt3 = 50p3

• trig -

150

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