[] , [] , [^] , []Theorem / Theorem of incribed angles(GC World : Sample ,Typical examples of GC)
Let's move point P.
Pushing the "Shift" key, the movable area will be restricted to the circle.
What do you find in each of following cases?
(1) On the circle
(2) Inside of circle
(3) Outside of circle


Forum of Geometric Constructor by Y.Iijima