Answer:
x = 100°
Step-by-step explanation:
360°
80° + 80°
160°
360° - 160°
200°
200° ÷ 2
100°
100 degrees
The two angles have to be equal to 180 degrees. Therefore, the equation is equal to 180-80=x. x=100. therefore, x is equal to 100 degrees.
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