lenadénine Posted March 16 Share Posted March 16 Bonjour, j’ai du mal à voir d’où sort le racine de 8 dans l’item B. Quelqu’un pourrait m’expliquer ?? Merciii Quote Link to comment Share on other sites More sharing options...
Solution Gaétang Posted March 16 Solution Share Posted March 16 la relation de tengence de cfc c'est a√2 = 4R donc a = 4R/ √2 et 2/√2 =√2 donc a = 2√2R et 2√2 =√8 Quote Link to comment Share on other sites More sharing options...
lenadénine Posted March 16 Author Share Posted March 16 Oh merci beaucoup je vois mieux d’où ça sort maintenant !! Quote Link to comment Share on other sites More sharing options...
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