1.

A man finds the angle of elevation of a cliff to be 45°. When he goes 2 km towards the cliff on an inclined path making an angle of 30° with horizontal, the angle of elevation of the cliff becomes 60°. The height of the cliff is:

A. 1000(√3 + 1)m
B. 1000(√3 – 1)m
C. 1000(√3 + 2)m
D. 1000√3 m
Answer» B. 1000(√3 – 1)m


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