bigbrogamer
bigbrogamer bigbrogamer
  • 20-02-2018
  • Mathematics
contestada

what is the value of X

what is the value of X class=

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Banabanana
Banabanana Banabanana
  • 20-02-2018
An exterior angle of a triangle is equal to the sum of the opposite interior 
angles

9x = 5x + 9 + x
9x = 6x + 9
9x - 6x = 9
3x = 9
x = 9/3
x = 3
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