Questions on Geometry: Polygons answered by real tutors!

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Question 153131: if the sum of the measures of the interior angles of a regular polygon is 540. how many sides does it have?: if the sum of the measures of the interior angles of a regular polygon is 540. how many sides does it have?
Answer by orca(336) About Me  (Show Source):
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The sum of the measures of the interior angles of a regular polygon is:
180(n-2)
Setting it equal to 540, we have
180(n-2)=540
Solving for n, we obtain
180n-360=540
180n=900
n=5
So the polygon has 5 sides.