Answer:
Explanation:
1. m1=50 so m5= 50 (corresponding)
2. m4=45, then m6=123 (given in 4. but also... angles 6+8 = 180)
3. m2= 130, so m7 = 130 (alt interior)
4. m6 = 123, so m3 = (alt interior)
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