On a plane there are two identical circles that do not intersect. One straight line intersects circle 1 at...
32090
Equal intersection segments on circles
138466
Calculating intersection of two Circles
71861
Circles and tangents and circumcircles
62367
Why can two (or more) electric field lines never cross?
52526
Circular duplicates strike again
21005
Parabola and a circle touching at the vertex of the parabola
57897
Algorithm for computing the plane that passes through three arbitrary points
152107
Classic Circle and Adjacent Arrangement Problem
51048
How can I show that if the second fundamental form of a surface is identically equal to zero, then the surface is a plane?
102619
Two circles overlap?
141482
Proof that plane with $N$ lines can be painted with two colors so that any two neighboring regions are painted in different colors
155993
A closed path is made up of 11 line segments. Can one line, not containing a vertex of the path, intersect each of its segments?
130851
Squaring the plane, with consecutive integer squares. And a related arrangement
134722
Intersection of straight line and circle
95728
The union of growing circles is not homeomorphic to wedge sum of circles
141835
Rigorous Proof: Circle cannot be embedded into the the real line!
154534
consider the following subsets of complex plane