Find the sum of the measures of the interior angles of a polygon with 24 sides. Sum of the measures of the interior angles of any $n$-gon = $(n-2)180$ For any regular $n$-gon; Measure of an interior angle = $\frac{(n-2)180}{n}$ Measure of an exterior angle = $\frac{360}{n}$ A = $\frac{1}{2}ap$ A 3960° B 4680° C 4140° D 4320°
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