Class/Course - Class X

Subject - Math

Chapter - Trigonometry


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Q.1 An aeroplane at an altitude of 300m observes the angles of depression of opposite points on the two banks of a river to be 450 and 600. The width of the river is _________
  (300-100√3)m
  (300+100√3)m
  (30√3+100)m
  (30√3-100)m