Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 1 - No. 22)
Which of the following is correct regarding the angle of elevation and angle of depression in the same diagram, assuming parallel lines?
Angle of elevation is always larger than the angle of depression.
Angle of depression is always larger than the angle of elevation.
Angle of elevation equals the angle of depression.
There is no specific relationship between them.
설명
When considering parallel lines, the angle of elevation will be equal to the angle of depression.