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OpenStudy (anonymous):
The measure of a single angle in a regular octagon is (4x + 12)°. Find the value of x.
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OpenStudy (anonymous):
Walk through please
OpenStudy (anonymous):
@hartnn ??
OpenStudy (anonymous):
Each interior angle of an octagon is 135 degrees. So 4x + 12 = 135. Now all you have to do is solve for x. This site has a good chart for polygon angle measurements: http://www.mathsisfun.com/geometry/interior-angles-polygons.html
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