The tops of two poles of height 20 m and 14 m
The tops of two poles of height 20 m and 14 m are connected by a wire. If the wire makes an angle of 30° with horizontal, then the length…
A ladder makes an angle of 60° with the ground
A ladder makes an angle of 60° with the ground when placed against a wall. If the foot of the ladder is 2 m away from the wall, then the…
It is found that on walking x meters towards
It is found that on walking x metres towards a chimney in a horizontal line through its base, the elevation of its top changes from 30° to 60° . The…
The ratio of the length of a rod and its..
The ratio of the length of a rod and its shadow is $1: \sqrt{3}$ The angle of elevation of the sum is. A. 30° B. 45° C. 60° D. 90°…
The angle of elevation of the top of a tower..
The angle of elevation of the top of a tower at a point on the ground 50 m away from the foot of the tower is 45°. Then the height…
From the top of a cliff 25 m high the angle
From the top of a cliff 25 m high the angle of elevation of a tower is found to be equal to the angle of depression of the foot of…
Two poles are 'a' meters apart and the height.
Two poles are ‘a’ metres apart and the height of one is double of the other. If from the middle point of the line joining their feet an observer finds…
A ladder 15 m long just reaches the top…
A ladder 15 m long just reaches the top of a vertical wall. If the ladder makes an angle of 60° with the wall, then the height of the wall…
If the angles of elevation of a tower from two
If the angles of elevation of a tower from two points distance a and b (a > b) from its foot and in the same straight line from it are…
The angle of depression of a car, standing..
The angle of depression of a car, standing on the ground, from the top of a 75 m tower, is 30°. The distance of the car from the base of…