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## Answers

approxWhere S is the length of a side. To find the exact area of a undecagon or any polygon, using various methods, see Area of a Regular Polygonand Area of an Irregular Polygon

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approxWhere S is the length of a side. To find the exact area of a undecagon or any polygon, using various methods, see Area of a Regular Polygonand Area of an Irregular Polygon