Answer:
Determine the measures of the angles marked with letters.
1. Answer: \bold\blue{\tt{m∠m=120°}}m∠m=120°
Proof: Alternate Interior Angles Theorem
2. Answer: \bold\blue{\tt{m∠n=70°}}m∠n=70°
Proof: Alternate Exterior Angles Theorem
3. Answer: \bold\blue{\tt{m∠r=105°}}m∠r=105° , \bold\blue{\tt{m∠s=75°}}m∠s=75°
Proof:
For ∠r, Linear Pair Theorem and Corresponding Angles Theorem
For ∠s, Vertical Angles Theorem
Step-by-step explanation:
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