28. Given: E is the midpoint of DF Prove: DE =DF) PROOF Statements 1. Eis the midpoint of DF Reasons 1. ? 2. DE=EF 2. ? 3. DE+ EF= DF 3. ? 4. DE + DE=DF 5. 2(DE)=DF 6. DE=DF) 4. ? 5. ? 6. ?

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