Mathematics
If a kite is flying at a height of meters from the level ground, attached to a string inclined at 60° to the horizontal, then the length of the string is 1. 80 m 2. m 3. m 4. 120 m.
Related Questions
The angles of depression of two ships A and B on opposite sides of a light house of height 100 m are respectively 42° and 54°. The line joining the two ships passes through the foot of the light house.
(a) Find the distance between the two ships A and B.
(b) Give your final answer correct to the nearest whole number.
(Use mathematical tables for this question)
The angle of elevation of the top of a 100 m high tree from two points A and B on the opposite side of the tree are 52° and 45° respectively. Find the distance AB, to the nearest metre.
A ladder 14 m long rests against a wall. If the foot of ladder is 7 m from the wall, then the angle of elevation is
15°
30°
45°
60°