Mathematics · Heights and Distances
A man on the top of a vertical tower observes a car moving at a uniform speed coming directly towards it. If it takes 10 minutes for the angle of depression to change from 45° to 60°, in how much total time will the car reach the tower?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(15 + 3√3) minutes
- 2(15 + 8√3) minutes
- 3(3 + 5√3) minutes
- 4(15 + 5√3) minutes✓
Correct answer
(15 + 5√3) minutes
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