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Simplification
If the angle of elevation of the sun decreases from 45° to 30°, then the length of the shadow of a pillar increases by 60m. The height of the pillar is
60(√3+1) m
30(√3-1) m
30(√3+1) m
60(√3-1) m
Correct Answer:
30(√3+1) m
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