If abc and dfe describes two triangles, which other statement is also true?
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Allison K.
Below are △ABC and △DEF. We assume that AB = DE, AC = DF, and ∠A = ∠D. Here is a rough outline of a proof that △ABC ≅ △DEF: 1. We can map △ABC using a sequence of rigid transformations so that A' coincides with D, B' and E are on the same ray from D, and C' and F are on the same ray from D. [Show drawing] 2. As a result of these transformations, B' must coincide with E. [Show drawing] 3. As a result of these transformations, C' must coincide with F. [Show drawing] What fact can we use to justify step 1? Choose 1 answer: AB = DE and segments with the same length are congruent AC = DF and segments with the same length are congruent ∠A = ∠D and angles with the same measure are congruent
Jennifer D.
Trace this figure, in which $\triangle A B C \cong \triangle D E F$. (FIGURE CANNOT COPY) Given that this relation is true, what can you conclude about $\triangle$ DEF with respect to $\triangle \mathrm{ABC} ?$
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