如图3 在四边形ABCD中 AB=1 BC=√3+1 AD=√6 ∠ABC=120° ∠DAB=75
如图3,在四边形ABCD中,AB=1,BC=√3+1,AD=√6,∠ABC=120°,∠DAB=75°,则∠BAC=__,CD=__.
参考解答
参考答案45°;√3
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