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Sagot :

MEMBRE12

Bonjour,

a. P ABC = 2 + x + 5 = x + 7

b. P DEF = 6 + x  + x = 2x + 6

c. P GHI = x + x + x = 3x

d. P cercle = 2πR = 2 × π × x = 2πx

Voilaaaa ! J'espère t'avoir aidé ;)))

Bonsoir,

a)

2+5+x = x+7

b)

x+x+6 = 2x+6

c)

x+x+x = 3x

d)

2*pi * x

= 2pix

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