In[]:=
Example 1:
In[]:=
OrthogonalCircumferences[-2,-3,-4,4,8,-12]
{Center1,radius1}
{Center2,radius2}
1,
3
2
,
29
2

{-2,-4},4
2

Out[]=
Example 2:
In[]:=
OrthogonalCircumferences[0,0,-9,-10,0,9]
{Center1,radius1}
{Center2,radius2}
{{0,0},3}
{{5,0},4}
Out[]=