1.

From the top of tree of height 120m the angle of depression of two boats in the same line with the foot of the tree and on the same side of it are 45° and 60° respectively. the distance between the boats is :

A. 40(3-√3)m
B. 40(3√3-1)m
C. 120(√3-1)m
D. 120(3-√3)m
Answer» B. 40(3√3-1)m


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