Droites parallèles

Parallélisme et perpendicularité - Mathématiques 6e

Exercice 1 : Tracer sur quadrillage la parallèle ou la perpendiculaire à un côté d'un triangle passant par un point

Construire la perpendiculaire à \([CD]\) passant par \(F\).

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Essais restants : 2

Exercice 2 : Problème - Identifier si des droites sont parallèles, sécantes, ou perpendiculaires

Voici une figure représentant deux droites \( (d_1) \) et \( (d_2) \) :

En faisant attention aux marquages de la figure, compléter les phrases suivantes à propos de la figure avec "sont", "ne sont pas", "semblent" ou "ne semblent pas" :

Les droites \( (d_1) \) et \( (d_2) \) sécantes.

Les droites \( (d_1) \) et \( (d_2) \) parallèles.

Les droites \( (d_1) \) et \( (d_2) \) perpendiculaires.

Exercice 3 : Tracer sur quadrillage la parallèle et la perpendiculaire à une droite passant par un point

Construire la parallèle et la perpendiculaire à (d) passant par A.

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Essais restants : 2

Exercice 4 : Tracer la parallèle à une droite passant par un point à l'aide du quadrillage

Construire la parallèle à \( (d) \) passant par \( A \).

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Essais restants : 2

Exercice 5 : Problème - Reconnaître des droites parallèles ou perpendiculaires

Parmi les droites suivantes, laquelle est parallèle à la droite (d1) ?

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