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.

2 answers

50yds = 150 ft.

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