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I cant figure out question 18 please help !!! i keep getting 88.33.... but idk if thats right

I cant figure out question 18 please help !!! i keep getting 88.33.... but idk if thats right
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I cant figure out question 18 please help !!! i keep getting 88.33.... but idk if thats right

I cant figure out question 18 please help !!! i keep getting 88.33.... but idk if-example-1
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User Duru Can Celasun
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8.3k points

1 Answer

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In this heptagon, that is nonregular, the sum of all the angles added together is 900. 900=143+2x+152+116+125+140+139+x. Combining like terms we get 3x+815=900. 3x=85 gives us that x = 85/3 or 28 1/3
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User Phoxis
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