Plier / Déplier

Triangles et axes de symétrie

M = (-0.48, 3.58)
N = (1.28, -2.74)
a = Line(M, N)
A = (0.14, 3.8200000000000003)
B = (-1.72, -0.18)
C = (2.72, -0.24)
poly1, e, c, d = Polygon(A, B, C)
F = Intersect(a, c)
G = Intersect(a, d)
H = Intersect(a, e)
poly2 = If(Defined[F] ∧ Defined[G], Polygon[F, G, C], If[Defined[F] ∧ Defined[H], Polygon[F, H, B], If[Defined[H] ∧ Defined[G], Polygon[H, G, A], Polygon[A, B, C]]])
poly3 = If(Defined[F] ∧ Defined[G], Polygon[Mirror[F, a], Mirror[G, a], Mirror[C, a]], If[Defined[F] ∧ Defined[H], Polygon[Mirror[F, a], Mirror[H, a], Mirror[B, a]], If[Defined[H] ∧ Defined[G], Polygon[Mirror[H, a], Mirror[G, a], Mirror[A, a]], Polygon[Mirror[A, a], Mirror[B, a], Mirror[C, a]]]])
b = false