Question

A closed plane figure with all sides congruent and all angles congruent is callled a

Answer 1

Regular Polygon

Explanation:

In Euclidean geometry, a regular polygon is a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length). Regular polygons may be either convex or star.

Answer 2

Regular polygons.

A polygon is a closed plane figure, delimited by adjacent segments. If all the sides happen to be the same size (and thus the angles have the same measure), then the polygon is said to be regular.