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Q: From the peak of a hill which is 300m high, the angle of depression of two sides of a bridge lying on a ground are 45° and 30° (both ends of the bridge are on the same side of the hill). Then the length of the bridge is

A. 300√3 m
B. $${300\over√3}m $$
C. 300(√3-1) m
D. 300(√3+1) m
Answer» D. 300(√3+1) m


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