1.

Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30 degree and 45 degree respectively. If the lighthouse is 100 m high, the distance between the two ships is

A. 273 m
B. 156 m
C. 263 m
D. 200 m
Answer» B. 156 m


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