Trigonometrymedium · Past Paper
If the height of a pole is increased by 10%, and the angle of elevation remains 45°, the shadow length:
AIncreases by 10%
BDecreases by 10%
CRemains same
DIncreases by 20%
✓ Correct Answer: A — Increases by 10%
At 45°, height = shadow. If height becomes 1.1h, shadow must become 1.1h to maintain 45°.
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