Figures planes - 6e
Quadrilatères particuliers
Exercice 1 : Reconnaître un rectangle par ses diagonales
Parmi les quadrilatères suivants, lesquels sont des rectangles ?
- 1.
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- 2.
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- 3.
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- 4.
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Exercice 2 : Reconnaître un losange par ses diagonales
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 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 : Reconnaître un quadrilatère grâce à un cercle
On considère deux cercles de centre O suivant la figure ci-dessous.
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Donnez la nature la plus précise possible du quadrilatère JIHG.
Exercice 5 : Retrouver la nature d'un polygone
Quelle est la nature de la figure suivante ?
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