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25 March, 11:18

Find the number of sides of a regular polygon if the sum of its interior angle is 1440

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  1. 25 March, 12:56
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    The formula is 180 (n-2) = 1140 then you divide 1140 by 180 to get 8 so then it would like like n-2=8 add the 2 over and n (being the number of sides) = 10 so your answer will be 10
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