karelitinoco21 karelitinoco21

11-10-2018
Mathematics

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find the perimeter of a regular nonagon with a side length of 21?
126
147
168
189

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SparkSparkBangBang SparkSparkBangBang

11-10-2018

A nonagon has 9 equal sides, so if the length of one of them is 21, then all of them must be too. The perimeter is 189

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