two equilateral triangles part3@@
@There is two equilateral triangles.The pink equilateral triangle is on the blue equilateral triangle.
The Points(X,Y,Z) are the mid points.

When ponit P move on the blue equilateral triangle, how do the mid points(X,Y,Z) move?
@You can also move points (A,B,C,O,P) on CABRI.

Download CABRIU data (d41) from here.