The correct completion of the given two column proof is as below.
How to carry out a Two column proof?
From the given two column proof, the correct way to complete it is;
Statement 1; m║n
Reason 1; Given
Statement 2; ∠3 and ∠6 are same side interior angles
Reason 2; Definition of Same side interior angle theorem
Statement 3; ∠3 and ∠6 are supplementary
Reason 3; Definition of Supplementary
Statement 4; m∠3 + m∠6 = 180°
Reason 4; Same side interior angle theorem
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