题目内容
圆心在直线x=y上且与x轴相切于点(1,0)的圆的方程为: ( )
A.(x-1)
+y
=1 B. (x+1)
+(y-1)
=1
C. (x-1)
+(y-1)
=1 D.(x+1)
+(y+1)
=1
C
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题目内容
圆心在直线x=y上且与x轴相切于点(1,0)的圆的方程为: ( )
A.(x-1)
+y
=1 B. (x+1)
+(y-1)
=1
C. (x-1)
+(y-1)
=1 D.(x+1)
+(y+1)
=1
C