已知圆心是(2,-1),半径为2的圆的方程是( )
A: [img=178x27]1802ec5073c2d53.png[/img]
B: [img=178x27]1802ec507be6a13.png[/img]
C: [img=178x27]1802ec50851f5c3.png[/img]
D: [img=178x27]1802ec508d8bb5b.png[/img]
A: [img=178x27]1802ec5073c2d53.png[/img]
B: [img=178x27]1802ec507be6a13.png[/img]
C: [img=178x27]1802ec50851f5c3.png[/img]
D: [img=178x27]1802ec508d8bb5b.png[/img]
举一反三
- 已知圆心是(2,-1),半径为2的圆的方程是( ) A: [img=178x27]1802e7b05720005.png[/img] B: [img=178x27]1802e7b060d3a66.png[/img] C: [img=178x27]1802e7b0689705e.png[/img] D: [img=178x27]1802e7b0710a8fa.png[/img]
- 已知圆心是(2,-1),半径为2的圆的方程是( ) A: [img=178x27]1802e7172caf0c3.png[/img] B: [img=178x27]1802e71735298c7.png[/img] C: [img=178x27]1802e7173ddfe73.png[/img] D: [img=178x27]1802e71746a7acc.png[/img]
- 已知圆心是(2,-1),半径为2的圆的方程是( ) A: [img=178x27]1802db2dd22be52.png[/img] B: [img=178x27]1802db2ddaf027f.png[/img] C: [img=178x27]1802db2de2b0b15.png[/img] D: [img=178x27]1802db2dead82d5.png[/img]
- 已知圆心是(2,-1),半径为2的圆的方程是( ) A: [img=178x27]18038de8bf4d85a.png[/img] B: [img=178x27]18038de8c8de4d7.png[/img] C: [img=178x27]18038de8d01f833.png[/img] D: [img=178x27]18038de8d7e04bf.png[/img]
- 已知圆心是(2,-1),半径为2的圆的方程是( ) A: [img=178x27]180366a5c6fdc9c.png[/img] B: [img=178x27]180366a5d032753.png[/img] C: [img=178x27]180366a5d9598d0.png[/img] D: [img=178x27]180366a5e232fe4.png[/img]