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 pilot in an aeroplane at an altitude of 200 m observes two points ly

1.	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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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

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