The angle of ___ is the angle between the line of sight of an observer and the object above his horizontal line of sight.
The angle of elevation is the angle between the line of sight of an observer and the object above his horizontal line of sight.
State whether the given statement is true or false:
The angle of elevation is the angle between the line of sight of an observer from above and the object below his horizontal line of sight.
The angle of elevation is the angle between the line of sight of an observer below his horizontal line of sight.
The angle of depression is the angle between the line of sight of an observer below his horizontal line of sight.
The angle of depression is the angle between the line of sight of an observer and the object below his horizontal line of sight.