Question 465857
(a) determine the measure of an interior angle of the named regular polygon.
The sum of the interior angles of a quadrilateral is 360 degrees.
Any particular angle must be less than 360.
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(b) If a side of the polygon is extended, determine the supplementary angle of an interior angle.
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I don't know where this problem is going but there is not
enough information to give specific answers to your questions.
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Quadrilateral
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Cheers,
Stan H.