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From the top of a building , an observer...

From the top of a building , an observer is looking at a scooter parked at some distance away , makes an angle of depression of `30^(@)` . If the height of the building is 40 m , find how far the scooter is from the building. `(sqrt(3) = 1.73)`

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The correct Answer is:
69.20 m
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