Cas 1
Author: IREM PARIS NORD

A = (15.951722980596864, 4.679520053014248)
B = (3.8207542276741044, 5.423400212391588)
C = (-3.6180473660992827, -2.18706603354581)
E = (-27.5366555676168, -21.413507075913962)
D = (-13.002381684398022, -10.713077091024545)
F = (37.75313380542504, 7.483376038359606)
a = Line(E, F)

Tool: Trou (command Trou1)
Trou[ <Point>, <Droite>, <Point> ]
Input: A, a, F
Output: A', b

A' = Mirror(A, a)
b = Segment(A', F)