Réponses

2013-03-10T20:01:40+01:00

1)
perimetre(AMN) = 3AM = 9 cm
perimetre(MBPR) = 4MB = 28 cm

 

2)

perimetre(AMN) = 3AM = 9 cm
perimetre(MBPR) = 4BM = 28 cm
BM 8 7 5 3 2
perimetre triangle 6 9 15 21 24
perimetre carré 32 28 20 12 8


3)
p1(x) = 3x
p2(x) = 4(10 - x)

 

5)

b. 3x = 4(10 - x)
7x = 40
x = 40/7