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AriaVictoria AriaVictoria
  • 24-05-2022
  • Mathematics
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(SHOW THE SOLUTION)
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Respuesta :

Аноним Аноним
  • 24-05-2022

Answer:

See below ~

Step-by-step explanation:

Rule :

Opposing angles in a cyclic quadrilateral are supplementary, which means they add up to 180°.

Q12

  • 4x + 9 + 3x + 3 = 180
  • 7x + 12 = 180
  • 7x = 168
  • x = 24

Q13

  • 3x + 2 + 3x - 32 = 180
  • 6x - 30 = 180
  • 6x = 210
  • x =  35
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