Respuesta :

tehorsesnameisfriday
An equiangular triangle is simply a triangle with all interior angles equal to one another.

Therefore, b + b + b = 180 (angle sum of a triangle)

3b = 180

b = 60

But b = -5x + 5

Therefore,

60 = -5x + 5

-5x = 55

x = -11

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