Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 5 - No. 15)
Which of the following best describes the angle of depression?
The angle measured from the horizontal up to the line of sight to an object.
The angle measured from the horizontal down to the line of sight to an object.
The angle formed between the horizontal and the vertical.
The angle formed within a triangle
คำอธิบาย
The angle of depression is the angle below the horizontal.