bigbrogamer
bigbrogamer
20-02-2018
Mathematics
contestada
what is the value of X
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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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