Q. The angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. The height of the tower is
A) 7 m
B) 4 m
C) 6 m
D) 9 m
✔ Correct Answer: 6 m
Exam Insight
-