Angle of Depression
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Statement 2: Angle of elevation is the angle between line of sight and the horizontal level when the object is below the horizontal line.
- Statement 1 and statement 2 are true
- Only statement 2 is true
- Only statement 1 is true
- Statement 1 and statement 2 are false
If a person is looking down at an object, then the angle the man’s line of sight makes with his eye level is the angle of

- 30∘
- 60∘
- 45∘
- can't be determined
State whether the given statement is true or false:
The angle of elevation is the angle between the line of sight of an observer below his horizontal line of sight.
True
False
State whether the given statement is true or false:
The angle of depression is the angle between the line of sight of an observer below his horizontal line of sight.
True
False
The angles of depression of two objects from the top of a 100 m hill lying to its east are found to be 45∘ and 30∘. Find the distance between the two objects. (Take √3=1.732)
73.2 metres
107.5 meters
150 metres
200 metres
If the angle of elevation of a cloud from a point 200 mabove a lake is 30∘and the angle of depression of the reflection of the cloud in the lake from the same point is 60∘, then the height of the cloud above the lake is:
30 m
200 m
500 m
400 m
- angle of depression
- acute angle
- angle of elevation
- obtuse angle
- False
- True
From the top of a lighthouse, the angles of depression of two ships on the opposite sides of it are observed to be α and β. If the height of the lighthouse be h metres and the line joining the ships passes through the foot of the lighthouse, find the distance between the ships is metres.
h(cosec α+tan β)tan α tan β
h(sec α+tan β)tan α tan β
h(tan α+cot β)tan α tan β
h(tan α+tan β)tan α tan β