medinabrian107
medinabrian107
14-03-2018
Mathematics
contestada
What is the value of x?
Respuesta :
Аноним
Аноним
14-03-2018
Theorem: An exterior angle
of a triangle is
equal
to the
sum of the opposite interior angles
.
2x + 10 + 79 = 6x + 1
6x - 2x = 10 + 79 - 1
4x = 88
x = 88 ÷ 4
x = 22 (Answer D)
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