karelitinoco21 karelitinoco21
  • 11-10-2018
  • Mathematics
contestada

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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