What will be the Height of an Aeroplane Above the River? If

From an aeroplane just over a river, the angle of depression of two palm tree on the opposite bank of the river are found to be 60 degree and 30 degree respectively. If the breath of the river is 400 meters, then the height of the aeroplane above the river at that instant is  ( Assume √3 = 732 )

  1. 173. 2 meters
  2. 346.5 meters
  3. 519.6 meters
  4. 692.8 meters
Manish Listener Asked on 9th July 2015 in Maths.
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