Lucymiller
Lucymiller Lucymiller
  • 04-03-2018
  • Mathematics
contestada

please help me to work this out

please help me to work this out class=

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Аноним Аноним
  • 04-03-2018
Theorem: An exterior angle of a triangle is equal to the sum of the opposite interior angles.

a+ 60 = 115
a = 115 - 60
a = 55
°
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