Salut !
Théorème de Pythagore :
AB= 4² + 4²
AB = 16 + 16
AB = 32
AB = √32
AB = 5,66 cm
BC = 3² + 3²
BC = 9 + 9
BC = 18
BC = √18
BC = 4,24 cm
CD = 2² + 2²
CD = 4 + 4
CD = 8
CD = √8
CD = 2,83 cm
Longueur ABCD = 5,66 + 4,24 + 2,83 = 12, 73cm
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Salut !
Théorème de Pythagore :
AB= 4² + 4²
AB = 16 + 16
AB = 32
AB = √32
AB = 5,66 cm
BC = 3² + 3²
BC = 9 + 9
BC = 18
BC = √18
BC = 4,24 cm
CD = 2² + 2²
CD = 4 + 4
CD = 8
CD = √8
CD = 2,83 cm
Longueur ABCD = 5,66 + 4,24 + 2,83 = 12, 73cm