Mathematics · Height and Distance
When the angle of elevation of the sun changes from 45° to 30°, the shadow of a tower increases by 20 m. Find the height of the tower.
- 110√3 m
- 210(√3 + 1) m✓
- 310 m
- 410(√3 - 1) m
Correct answer
10(√3 + 1) m
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