Do Two Circles Intersect?

If the sum of the radii and the distance between the centres are equal, then the circles touch externally. ... If the difference between the radii and the distance between the centres are equal, then the circles touch internally.

How many times can two circles intersect?

If two circles are different, then they can only intersect 0, 1, or 2 times.

What is it called when circles intersect?

Definition: That part of a circle that lies between two lines that intersect it. The red arc is the arc intercepted by that angle. ... When two straight lines cross a circle, the part of the circle between the intersection points is called the intercepted arc.