[] , [] , [^] , []Theorem of incribed angles / Understanding with the other cases(GC World : Various Problems ,Famous Theorems)
Let's move point P.
If you use the "Shift" key, movement is listricted on the circle.
WHat do you find in following each case.
(1) On the circle
(2) Inside of the circle
(3) Outside of the circle


Forum of Geometric Constructor by Y.Iijima