Ex. 1b Given: C is the midpoint of AE and BD. BD CD AE Prove: AC Statements 1. AEBD 2. AC=CE,&C=CP 3. AG BD 4. AC*CE=AE, BC+CD=BD 5. AC+CE=BC+CD 6. AC+AC=CD+CD A Reasons B 1. 2. 3. 4. 5. Subst. 6. Subst. 7 S. bet E Given Defn. midpoi Defn. Cong. Seg. Add. P

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