Answer:
Interior angle sum = 180°(n-2)where n is number of sides
x°+129°+132°+136°+124°+141°+188°+116° =180°(8-2)
x°+963°=1080°
x°=1080°-963°
x°=144°
x°/1°=144/1°
x=144
Step-by-step explanation:
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