Bigpapi77
Bigpapi77 Bigpapi77
  • 18-03-2021
  • Mathematics
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Please help I want to make sure that I’m doing this right

Please help I want to make sure that Im doing this right class=

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chinmayeeBTS
chinmayeeBTS chinmayeeBTS
  • 18-03-2021
Exterior angle of a triangle = sum of two opposite angles of the exterior angle
138 = x + 55
138 -55 = x
x = 83
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