关于正方形的问题(初二几何证明题)AB=4,AC=6,AD平分∠BAC,BM=MN,AD‖MN.(1)求NC的长;(2)探索AB、AC、NC的关系.
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![关于正方形的问题(初二几何证明题)AB=4,AC=6,AD平分∠BAC,BM=MN,AD‖MN.(1)求NC的长;(2)探索AB、AC、NC的关系.](/uploads/image/z/11640562-34-2.jpg?t=%E5%85%B3%E4%BA%8E%E6%AD%A3%E6%96%B9%E5%BD%A2%E7%9A%84%E9%97%AE%E9%A2%98%EF%BC%88%E5%88%9D%E4%BA%8C%E5%87%A0%E4%BD%95%E8%AF%81%E6%98%8E%E9%A2%98%EF%BC%89AB%3D4%2CAC%3D6%2CAD%E5%B9%B3%E5%88%86%E2%88%A0BAC%2CBM%3DMN%2CAD%E2%80%96MN.%281%29%E6%B1%82NC%E7%9A%84%E9%95%BF%EF%BC%9B%282%29%E6%8E%A2%E7%B4%A2AB%E3%80%81AC%E3%80%81NC%E7%9A%84%E5%85%B3%E7%B3%BB.)
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