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OpenStudy (anonymous):
find the measure of an interior angle of a regular polygon with 9 sides
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OpenStudy (anonymous):
SUM of all interior angles = 180(n-2) with n = 9 sides, SUM = 180(9-2) = 1260 So each interior angle of this regular 9-sided polygon will be 1260/9 = 140 degrees.
OpenStudy (anonymous):
Make sure you understand what is meant by a REGULAR polygon.
OpenStudy (anonymous):
thank you soooo much!!!! do you think you can help me with some others that i have?
OpenStudy (anonymous):
Welcome.
OpenStudy (anonymous):
are you good with point slope things?
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