An observer on the top of a mountain, 500 m above the sea level, observes the angles of depression of the two boats in his same place vision to be 45 and 30 respectively. Then the distance between the boats, if the boats are on the same side of the mountain, is

An observer on the top of a mountain, 500 m above the sea level, obser

1.	An observer on the top of a mountain, 500 m above the sea level, observes the angles of depression of the two boats in his same place vision to be 45 and 30 respectively. Then the distance between the boats, if the boats are on the same side of the mountain, is
A.	366 m
B.	699 m
C.	456 m
D.	584 m
Answer» B. 699 m

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An observer on the top of a mountain, 500 m above the sea level, observes the angles of depression of the two boats in his same place vision to be 45 and 30 respectively. Then the distance between the boats, if the boats are on the same side of the mountain, is

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