From the top of a 60 m high tower in Delhi, the angle of depression of a parked car is 30°. The car then drives toward the tower and stops where the depression becomes 60°. How far (in m) did the car move toward the tower?
Class 10Heights and DistancesTrigonometry
A403
B603
C203
D60
Step-by-Step Solution
Far: tan 30=d160⇒d1=603. Near: tan 60=d260⇒d2=360=203. Moved = 60 3−203=403 m.
Answer: A) 403
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