) Fills in the missing blank spaces in the below paragraph proof of Theorem 3-8. Given : l || k and m || k Prove: l || m. Proof. Since l || k, <2= <1 by the _ Theorem. Since m || k, _ = _ for the same reason. By the Transitive  Property of Congruence, <2 = <3. By the _ Theorem, l || m

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