Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 4 - No. 40)
What do you call the angle between the line of sight and the horizontal when looking up at an object?
Angle of Depression
Angle of Elevation
Right Angle
Obtuse Angle
คำอธิบาย
The angle of elevation is the angle from the horizontal to the line of sight.