Two supporting reasons are missing from the proof. Complete the proof by dragging and dropping the appropriate reasons into each of the empty boxes.Given: m∥n m∠3=120°Prove: m∠8=60° Statements Reasons m∥nm∠3=120° Given∠5≅∠3 __________m∠5=m∠3 Angle Congruence Postulatem∠5=120° Substitution Property of Equalitym∠8+m∠5=180° Linear Pair Postulatem∠8+120°=180° ___________ m∠8=60° Subtraction Property of Equality Answer choices: 1. Angle Addition Postulate2. Alternate Interior Angles Theorem3. Substitution Property of Equality4. Alternate Exterior Angles Theorem
Question
Answer:
The answer is alternate interior angles theorem and substitution property of equality.
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