first step number that is not justified and the reason it is not justified. Given: BD bisects AC and BDI AC. Prove: AABE ACBE. Step Statement Reason BD bisects AC Given BD1 AC ZCEB is a right angle Perpendicular lines form right angles ZAEB LCEB All right angles are congruent AE= CE A segment bisector divides a segment into two congroent sezments BE BE Reflexive Property AABE ACBE SAS E Se TI The proof is incorrect and step number is the first unjustified step due to a missing prior stepY Sutun Arar

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