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OpenStudy (anonymous):
The sum of the measure of the interior angles of a polygon is 1980°. What polygon is it
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OpenStudy (lgbasallote):
the formula for sum of interior angles is \[\huge 180(n-2) = \text{sum}\]
OpenStudy (lgbasallote):
where n = number of sides
OpenStudy (lgbasallote):
to know what polygon it is...we need to find n...do you know how to?
OpenStudy (anonymous):
thank u
OpenStudy (lgbasallote):
welcome
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