What is the sum of the measures of the interior angles of a 12-gon?
Which polygon has an interior angle sum of 900°?




Which statements are true about polygons? Select three options.All sides and all angles in a polygon are congruent.The sides of a polygon are segments that intersect exactly two other segments, one at each endpoint.In a polygon, all segments with a common endpoint are collinear.If all of the sides of a convex polygon are extended, none of them will contain any points that are inside the polygon.The extension of at least one side or diagonal in a concave polygon will contain a point that is inside the polygon.
An interior angle of a regular polygon has a measure of 135°. What type of polygon is it?
A polygon with 6 sides is shown. No angles go inside of the shape.

Which polygon has an interior angle sum of 1080°?




Polygon A B C D E has 5 sides.

Which statements are true about the regular polygon? Select three options.
A polygon with 7 sides is shown. An angle goes inside of the shape.

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