Respuesta :

frika

Answer:

B. 3

Step-by-step explanation:

If DF is a midsegment, then F is a midpoint of BC, so

BF = FC, thus

[tex]4y=6(y-1)[/tex]

Solve this equation:

[tex]4y=6y-6\\ \\4y-6y=-6\\ \\-2y=-6\\ \\2y =6\\ \\y=3[/tex]

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