Example 1a Given: L1 L2,L2 &L4 form fin. pair/1 &L3 form lin. pair. Prove: L3 L4 Statements 1.41€ 22, 224x4 form lin pair; cl +43 2. form lin pair 3. 4. 5. 6. 7<3=24 Reasons 1. Given 2. Defn. L 3. Defn. linear pair 4. Substitution 5. Substitution 6. Subtraction 7. Defn. Ls

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