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Mathematics, 20.09.2020 02:01 tot92

Given: E is the midpoint of line AC, DE = EC Prove: line DE is congruent to line AE Statements: Reasons: 1. E is the midpoint of line AC 1. Given 2. UNKNOWN 2. Definition of Midpoint 3. UNKNOWN 3. Given 4. AE = DE 4. UNKNOWN 5. UNKNOWN 5. Definition of Congruence 6. Line DE is congruent to line AE 6. UNKNOWN I need to know what the unknown parts are.

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