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{"id":337,"date":"2020-11-11T05:55:04","date_gmt":"2020-11-11T05:55:04","guid":{"rendered":"http:\/\/ms.iaca.fr\/?p=337"},"modified":"2020-11-19T05:28:45","modified_gmt":"2020-11-19T05:28:45","slug":"resolution-avec-la-calculatrice","status":"publish","type":"post","link":"http:\/\/ms.iaca.fr\/resolution-avec-la-calculatrice","title":{"rendered":"R\u00e9solution avec la calculatrice"},"content":{"rendered":"\n

Soit le parall\u00e9logramme repr\u00e9sent\u00e9 ci-dessous. Les cotes sont en mm.<\/p>\n\n\n\n

\n
\n
\"\"<\/figure>\n<\/div>\n\n\n\n
\n

1) Exprimer<\/strong> le p\u00e9rim\u00e8tre de ce parall\u00e9logramme en fonction de x.<\/p>\n\n\n\n

<\/p>\n<\/div>\n<\/div>\n\n\n\n

2) Calcule<\/strong> le p\u00e9rim\u00e8tre lorsque <\/p>\n\n\n\n

<\/p>\n\n\n\n

3) Si son p\u00e9rim\u00e8tre est de 42 cm, d\u00e9terminer<\/strong> x.<\/p>\n\n\n\n

<\/p>\n\n\n\n

4) On cherche \u00e0 obtenir un tableau de valeurs et la repr\u00e9sentation graphique des valeurs possibles de ce p\u00e9rim\u00e8tre.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Interpr\u00e9tation des r\u00e9sultats obtenus par la calculatrice<\/strong><\/p>\n\n\n\n

4a) D\u2019apr\u00e8s le tableau de valeurs, quelle est la valeur du p\u00e9rim\u00e8tre<\/strong> pour x=2 ? Que remarque-t-on\u00a0?<\/p>\n\n\n\n

On retrouve le r\u00e9sultat de la question<\/p>\n\n\n\n

4b) Combien<\/strong> mesure le p\u00e9rim\u00e8tre pour x= 5 ?<\/p>\n\n\n\n

A l\u2019aide du tableau, on trouve 22mm<\/p>\n\n\n\n

4c) Quelle est la valeur de <\/strong>  pour obtenir un p\u00e9rim\u00e8tre de 102cm ?<\/p>\n\n\n\n

Pour x = 25<\/p>\n","protected":false},"excerpt":{"rendered":"

Soit le parall\u00e9logramme repr\u00e9sent\u00e9 ci-dessous. Les cotes sont en mm. 1) Exprimer le p\u00e9rim\u00e8tre de ce parall\u00e9logramme en fonction de x. 2) Calcule le p\u00e9rim\u00e8tre lorsque 3) Si son p\u00e9rim\u00e8tre est de 42 cm, d\u00e9terminer x. 4) On cherche \u00e0 obtenir un tableau de valeurs et la repr\u00e9sentation graphique des valeurs possibles de ce p\u00e9rim\u00e8tre. … <\/p>\n