如图所示,CA=CB,DA=BD,EA=EB.(1)C、D、E三点在一条直线上吗?为什么(2)如果AB=24,AD=13CA=20,那么CD的长是多少?第二题已知:如图所示,在rt△ABC中,角ACB=90°,AC=BC,点D是BC的中点,CE⊥AD,垂足为点E,BE∥AC交CE的
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![如图所示,CA=CB,DA=BD,EA=EB.(1)C、D、E三点在一条直线上吗?为什么(2)如果AB=24,AD=13CA=20,那么CD的长是多少?第二题已知:如图所示,在rt△ABC中,角ACB=90°,AC=BC,点D是BC的中点,CE⊥AD,垂足为点E,BE∥AC交CE的](/uploads/image/z/1676296-64-6.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2CCA%3DCB%2CDA%3DBD%2CEA%3DEB.%281%29C%E3%80%81D%E3%80%81E%E4%B8%89%E7%82%B9%E5%9C%A8%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E4%B8%8A%E5%90%97%3F%E4%B8%BA%E4%BB%80%E4%B9%88%282%29%E5%A6%82%E6%9E%9CAB%3D24%2CAD%3D13CA%3D20%2C%E9%82%A3%E4%B9%88CD%E7%9A%84%E9%95%BF%E6%98%AF%E5%A4%9A%E5%B0%91%3F%E7%AC%AC%E4%BA%8C%E9%A2%98%E5%B7%B2%E7%9F%A5%EF%BC%9A%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E5%9C%A8rt%E2%96%B3ABC%E4%B8%AD%2C%E8%A7%92ACB%3D90%C2%B0%2CAC%3DBC%2C%E7%82%B9D%E6%98%AFBC%E7%9A%84%E4%B8%AD%E7%82%B9%2CCE%E2%8A%A5AD%2C%E5%9E%82%E8%B6%B3%E4%B8%BA%E7%82%B9E%2CBE%E2%88%A5AC%E4%BA%A4CE%E7%9A%84)
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