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وارد شوید

Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 3 - No. 6)

If an angle of elevation is 30 degrees, what is the angle of depression from the same point?
30 degrees
60 degrees
120 degrees
Cannot be determined

توضیح

The angle of elevation and the angle of depression are equal when considering parallel lines.

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