Question :
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 30º and 45º respectively. If the lighthouse is 100 m high, the distance between the two ships is:
1. 173 m
2. 200 m
3. 273 m
4. 300 m
Answer :
3 - 273 m
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