Q: A pilot in an aeroplane at an altitude of 200 m observes two points – McqOptions

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1.	Q: A pilot in an aeroplane at an altitude of 200 m observes two points lying on either side of a river. If the angles of depression of the two points be 45 ° and 60 °, then the width of the river is
A.	400√3m
B.	$${400\over√3}m $$
C.	$$200+{200\over√3}m $$
D.	$$200-{200\over√3}m $$
Answer» D. $$200-{200\over√3}m $$

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