摘要:10.已知等腰直角三角形ABC的斜边所在的直线是3x-y+2=0.直角顶点是C.则两条直角边AC.BC的方程是( ) A.3x-y+5=0.x+2y-7=0 B.2x+y-4=0.x-2y-7=0 C.2x-y+4=0,2x+y-7=0 D.3x-2y-2=0,2x-y+2=0

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