Wednesday

August 20, 2014

August 20, 2014

Posted by **jenny** on Wednesday, October 10, 2012 at 12:51pm.

has exactly j points in common with the boundary of ABC (this \boundary"

consists of the line segments AB, BC, CA). Is it possible to find a circle C7

with 7 points in common with the boundary of ABC?

- maths -
**Steve**, Wednesday, October 10, 2012 at 2:12pmOf course not. Each line can intersect any circle in at most two points. The three lines can thus intersect a circle in at most 6 points.

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