Based on the reflexive property of congruency, the missing step in the proof is: A. ∠ABC ≅ ∠DBE
The reflexive property of congruency states that an angle will always be congruent to itself.
In the diagram given, we can prove that ∠ABC ≅ ∠DBE based on the reflexive property.
Therefore, the missing step in nthe proof is: A. ∠ABC ≅ ∠DBE
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