Find all missing angles. m∠1 = m∠2 = m∠3 = m∠4 =
1 answer:
Answer:
Angle 1 =51. 72+57=129. 129+51=180
Angle 2=18. there is a right angle 72+18=90
Angle 3=123
Angle 4=39 angle 2+angle 3+angle 4 equals 180
123+18=141
180-141=39
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Step-by-step explanation:
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