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Sagot :

Bonjour,

OE= LO= LE/2= 5/2= 2.5 m

AO= BA+BE+OE

AO= 3.2+2.3+2.5

AO= 8 m.

Calcul de SO: utiliser le th de Thalès , on a:

AB/AO= BC/SO

3.2/8= 1/SO

3.2 SO= 8

SO= 8/3.2

SO= 2.5 m.

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