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Reflecting a Ray Across a Line

An animation shows point O with rays [Ox) and [Oy), then constructs a third ray [Oy') on the opposite side of [Ox). Through gradual construction, [Oy') is revealed as the mirror image of [Oy) across [Ox), with the two geometric angles formed highlighted as equal. No numerical measures, degrees, or vectors are used, keeping the focus purely on visual symmetry. Useful for students learning axial symmetry and angle congruence in geometry.

16:9 · every frame verified for overlaps, spacing and edges before rendering

The prompt that made it

Créer une animation mathématique en français. À partir de la scène précédente, conserver le point O et les deux demi-droites [Ox) et [Oy). Construire maintenant une troisième demi-droite [Oy') issue de O, de l’autre côté de [Ox). Montrer que [Oy) et [Oy') sont symétriques par rapport à (Ox). Afficher clairement les deux angles géométriques égaux. Ne pas utiliser de vecteurs. Ne pas utiliser de degrés. Ne pas utiliser de mesure numérique. Aucun texte explicatif. Fond blanc. Lignes bleues. Style mathématique propre et professionnel.

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