Angle of depression is the angle between the horizontal plane and the line from the observer’s eye to some object above his eye.
The angle of depression is the angle between the line of sight of an observer below his horizontal line of sight.
The angle of ___ is the angle between the line of sight of an observer and the object above his horizontal line of sight.
Match the following. i)horizontal a) is the angle between line of sight and the horizontal levellevel when the object is above the horizontal line.ii)line of sightb) is the line running parallel to the plane onwhich the object is kept.iii) angle ofc) is the line drawn from the eye of the observer to the elevationpoint in the object viewed by the observer.iv) angle ofd) is the angle between line of sight and the horizontal depressionlevel when the object is below the horizontal line.
State whether the given statement is true or false:
The angle of depression is the angle between the line of sight of an observer and the object below his horizontal line of sight.