Angles of Elevation and Depression
Angle of elevation is the angle between the line of sight and the horizontal line when a person sees an object which is at a _______________ level.
Angle of depression is the angle between the line of sight and the horizontal line when a person sees an object which is at a _______________ level.
Angle of elevation
When a person sees an object which is at a higher level, the angle between the line of sight and the horizontal line.
Angle of depression
When a person sees an object which is at a lower level, the angle between the line of sight and the horizontal line.