BC=EF will not prove that ABC = DEF
What is congruence triangle?
Congruent triangles are triangles that have the same size and shape. This means that the corresponding sides are equal and the corresponding angles are equal.
n ΔABC and ΔDEF
Given: AB=DE
<BAC=<EDF=45
Now, If we take AC=DF then, by SAS congruence rule, ΔABC≈ Δ DEF
Now, BC = EF, it can't be possible to have this part as proof because SAS will be use when the equal angle is in between two equal sides.
Hence, BC=EF can't be the statement in proof.
Learn more about the Congruent triangles here:-
https://brainly.com/question/12413243?referrer=searchResults
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