Figures planes - 6e

Quadrilatères particuliers

Exercice 1 : Reconnaître un losange par ses côtés et ses angles

Parmi les quadrilatères suivants, lesquels sont des losanges ?

1.

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2.

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3.

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4.

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Exercice 2 : Vocabulaire du quadrilatère - sommet, diagonale, côté et angle adjacents

À l'aide de la figure ci-dessous :

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Lister les diagonales de la figure.
On donnera la liste séparée par des points-virgules.
Exemple : [AB];[AC]

Lister les côtés adjacents au sommet E.
On donnera la liste séparée par des points-virgules.
Exemple : [AB];[AC]

Lister les sommets des angles adjacents au côté [HE].
On donnera la liste séparée par des points-virgules.
Exemple : A;B

Exercice 3 : Reconnaître un carré par ses diagonales

Parmi les quadrilatères suivants, lesquels sont des carrés ?

1.

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2.

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3.

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4.

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Exercice 4 : Donner tous les noms possibles d'un quadrilatère

Donner tous les noms possibles du quadrilatère suivant :

On séparera chaque nom de face par un point virgule.

Exercice 5 : Nommer un quadrilatère quelconque

Nommer le quadrilatère suivant.

Revenir au choix du niveau