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Find the value of x. then find the angle measures of the polygon
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Find the value of x. then find the angle measures of the polygon

Find the value of x. then find the angle measures of the polygon-example-1
User Greg Haskins
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1/3x + x - 20 + x -10 + 40 = 360
7/3x + 10 = 360
7/3x = 350
x = 150

User Lancerex
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