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1. |
Two ships are sailing in the sea on the two sides of a light house. The angles of elevation of the top of the light house as observed from the two ships are 30 and 45 respectively. If the light house is 100m high, the distance between the two ships is : (take 3 = 1.73 ) |
A. | 173 metre |
B. | 200 metre |
C. | 273 metre |
D. | 300 metre |
Answer» D. 300 metre | |