Respuesta :

They need to satisfy:

[tex]\begin{gathered} AB\propto XY \\ AC\propto XZ \\ BC\propto YZ \end{gathered}[/tex]

Therefore:

[tex]\frac{AB}{XY}=\frac{AC}{XZ}\Leftrightarrow\frac{AB}{AC}=\frac{XY}{XZ}[/tex]

Answer:

A

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