A tree cause a shadow 4 m long on the ground, when the angle of elevation of sun is 45o. The height of the tree is
3 m
4 m
4.5 m
5.2 m
The length of the string flying 100 m high and angle of elevation 30o is
100 m
150 m
200 m
225 m
A ladder of 10 m length touches a wall at a height of 5m. The angle θ made by it with the horizontal is
90o
60o
40o
30o
The length of the shadow of a tree 7 m, when the sun's elevation 45o is
7 m
3.5 m
5 m
14 m
If AB = 4 m and AC = 8 m, the angle of elevation of A as observed from C is
45o
Cannot be determine
The angle formed by the line of sight with the horizontal, when the point being viewed is above the horizontal level is called
Vertical angle
Angle of depression
Angle of elevation
Obtuse angle
The value of AB in the given figure is
20 m
10 m
40 m
The length of the shadow of a 20 m tall pole on the ground, when the sun's elevation is
20√2 m
50 m
40√2 m
The length of the string of a kite flying at 100 m above the ground with the elevation of 60o is
100√2 m
200/√3 m
If the angle of depression of an object from a 75 m height tower is 30o. Then the distance of the object from the base of the tower is
30√3 m
50√3 m
75√3 m