Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 4 - No. 19)
If the length of the shadow of a vertical pole is equal to the height of the pole, what is the angle of elevation of the sun?
30 degrees
45 degrees
60 degrees
90 degrees
Explanation
When the shadow equals the height, the angle of elevation is 45°.
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