Find all missing angles. m∠1 = m∠2 = m∠3 = m∠4 =

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1 answer:

Grace [21]3 years ago

7 0

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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