1. A man standing at point C, is looking at the top of a tree at point A. Identify theangle of elevation in the figure given.

2. Consider the following diagram.

Find x, the angle of elevation of pointA, correct to two decimal places.

3.

A helicopter flying at an altitude of 288metres an angle of depression of 43toits landing pad. What is the distance d(in metres) between the helicopter andthe landing pad? Write your answer to the nearest metre.

A

B

C

4.

5.

6.