Given a high tower whose height, AC = 150m
Angle of depression, ∠DCB = 30°
We know that alternate angles are equal.
⇒ ∠DCB = ∠ABC
Let distance of the car from tower, AB = x m
In ΔABC, tan 30°
⇒ x = 150√3
∴ The distance of car from the tower is 150√3 m.
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