question_answer

The angles of elevation of the top of a vertical tower from points at distance a and b from the base and in the same line with it are complementary. If a > b, find the height of the tower.

A) \[\sqrt{ab}\]     

B)        \[\sqrt{(a+b)}\]

C) \[\sqrt{(a/b)}\]

D)        \[\sqrt{(b-a)}\]