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?

Anônimo: tudo e vc?

mirellacristina1901: Q bom

mirellacristina1901: Td também :)

Anônimo: que bom tbm

mirellacristina1901: :)

giovannadasilvacarmo: oii

mirellacristina1901: oie

eloisarudek31: oiii gente eleminaram a minha conta pra variar

giovannadasilvacarmo: nossa

Respostas

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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It's you, it's always you
If I'm ever gonna fall in love I know it's gon' be you
It's you, it's always you
Met a lot of people, but nobody feels like you
So, please, don't break my heart
Don't tear me apart
I know how it…

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Anônimo: oque isso significa Gi

giovannadasilvacarmo: é uma letra de musica

giovannadasilvacarmo: só leia