bryo098 bryo098
  • 15-05-2021
  • Mathematics
contestada

help................

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Respuesta :

gayanepoghosyan
gayanepoghosyan gayanepoghosyan
  • 15-05-2021

Answer:

80

Step-by-step explanation:

The opposite angles in a cyclic quadrilateral are supplementary. The sum of the opposite angles is equal to 180˚

x+100=180

x=180-100=80

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