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Ferfa1
@Ferfa1
January 2020
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O perímetro de um triângulo escaleno é 27 cm. As medidas de seus lados são três números naturais consecutivos. Determine-as. (Me ajudem por favor)
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NinnoNascimento
Escaleno - a medida de seus lados são diferentes
números consecutivos ex 1,2,3 45,46,47
como não sabemos vamos chamar o primeiro de x, o segundo de x+1 e o terceiro x+2 somando tudo o resultado 27
x+x+1+x+2 = 27
3x+ 3= 27
3x = 27 - 3
3x = 24
x = 24/3
x = 8
Os lados são
8cm + 9cm+ 10 cm
=27
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Ferfa1
Obrigado!!!
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Lista de comentários
números consecutivos ex 1,2,3 45,46,47
como não sabemos vamos chamar o primeiro de x, o segundo de x+1 e o terceiro x+2 somando tudo o resultado 27
x+x+1+x+2 = 27
3x+ 3= 27
3x = 27 - 3
3x = 24
x = 24/3
x = 8
Os lados são
8cm + 9cm+ 10 cm
=27