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Sagot :

Answer:

  • 116°

Step-by-step explanation:

Angles 1 and 3 are same as vertical pair, they are also same with angles 5 and 7 for same reason.

Angle 8 is supplementary with angle 5, so:

m∠1 = m∠3 = m∠5 = 180° - 64° = 116°