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Each central angle of a regular 9 sided polygon: 360/9 = 40 degrees

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Q: Calculate the measure of a central angle of a regular nine- sided polygon?
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To calculate the measure of a central angle of a regular nine-sided polygon, divide 360 degrees by the number of sides. In this case, divide 360 by 9. The measure of the central angle of a regular nine-sided polygon is 40 degrees.


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