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Sagot :

Bonjour,

aire des murs:

2* (4*2,40 ) => 19,2m²

2( 3,10 * 2,40) =>  14,88m²

total

19,2+14,88 => 34,08m²

aire porte:

0,93* 2,20 =>2,05m²

aire fenêtre:

1,15*1 => 1,15m²

sans les ouvertures:

34,08 - 2,05-1,15 => 30,88m²

nbre de pots:

30,88/ 11 =>3 pots

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