MCQOPTIONS
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				| 1. | 
                                    Two ships are sailing in the sea on the two sides of a lighthouse. The angles of elevation of the top of the lighthouse as observed from the two ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is :_________? | 
                            
| A. | 173 m | 
| B. | 200 m | 
| C. | 273 m | 
| D. | 300 m | 
| Answer» D. 300 m | |