Question

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10. Given that ∠3 and ∠6 are supplementary. Prove that
You can do a flow proof, two-column proof, or paragraph proof.
Each statement MUST have a logical justification. (6 points)

Answer 1

Explanation:

M < 8 = m< 6 (vertical angles)

We are given that < 3 and < 6 are supplementary so <3 and < 8 must also be supplementary.

Therefore lines m and n must be parallel (interior angles with transversal between parallel lines are supplementary).