Check sibling questions

In angle of depression, we studied that

1. Angle of depression.jpg

Here, the angle of elevation of the girl to the boy is

Angle of Depression from point A to point B is same as Angle of Elevation from point B to point A - Part 2

Now, the two horizontal lines are parallel,

and line of sight is the transversal

Angle of Depression from point A to point B is same as Angle of Elevation from point B to point A - Part 3

AB and CD are parallel lines,

and BC is the transversal

∴ Angle of depression and angle of elevation are alternate angles, and they are equal

∴ Angle of depression = Angle of elevation

Thus, Angle of Depression from point A to point B is same as Angle of Elevation from point B to point A

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.