Matemática, perguntado por mirellacristina1901, 10 meses atrás

Na figura, temos a//b//c. Sabendo-se que AB=14, AC= 42, DE=18. Qual a medida de DF? *
a)32
b)54
c)56
d)60

Anexos:

mirellacristina1901: td bem?

mirellacristina1901: Q bom

mirellacristina1901: Td também :)

mirellacristina1901: :)

giovannadasilvacarmo: oii

mirellacristina1901: oie

giovannadasilvacarmo: nossa

Soluções para a tarefa

Respondido por decioignacio

Resposta:

Explicação passo-a-passo:

_AB_ = _DE_

BC EF

_14_ = _18_

28 EF

EF = _28×18_

EF = 2×18

EF = 36

DF = DE + EF

DF = 18 + 36

DF = 54

mirellacristina1901: tchau Mila eu vou sair amanhã nós se falamos no Email!!! ok

millalopes14: bjss tenho q ir

millalopes14: tchau ok

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