rayankalash06 rayankalash06

02-01-2023
Mathematics

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Exercice 2 :
Dire si les affirmations suivantes sont vraies ou fausses en justifiant vos réponses.
Affirmation 1 :
PRO est un triangle tel que : PR = 7 cm ; RO = 3 cm et PO = 6 cm. Ce triangle est rectangle en O.
Affirmation 2 :
Théo affirme : « Quel que soit la valeur de n, l’expression (n+1) (9n+1) – (3n+1)² donne toujours un
multiple de 4 ».
Affirmation 3 : Voici un dessin codé à main levée.
La longueur PV est égale à 3 cm

Answer :

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