Which Side is Proportional?

Teacher Contributed

$\mathrm{\u25b3}ABC$ is similar to $\mathrm{\u25b3}DEF$. Their sides are proportional. What is the correct value for the unknown in the following statement? $\frac{AB}{DE}$ = $\frac{BC}{?}$ = $\frac{AC}{DF}$

qid: 100275

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