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Educational Videos and songs for Kids. A polygon is formed by a closed polygonal line and the space inside it. To understand what that means, watch this straight line become a polygonal line as it ...

www.ducksters.com/kidsmath/polygons.php

There are, of course, polygons with many more names and sides. When the number of sides gets really high, mathematicians sometimes use the number of sides "n" and call it an n-gon. For example if a polygon has 41 sides, it would be called a 41-gon. Convex or Concave Polygons A polygon is either convex or concave.

www.mathsisfun.com/geometry/polygons

Polygons A polygon is a plane shape with straight sides. Is it a Polygon? Polygons are 2-dimensional shapes. They are made of straight lines, and the shape is "closed" (all the lines connect up).

Kids will have a blast learning all about polygons with this fun and energetic tune. This polygon song for kids teaches all about the triangle, quadrilateral, pentagon, hexagon, heptagon, octagon ...

mocomi.com/what-is-a-polygon

Polygon : Definition. A polygon is a closed shape with three or more straight sides and angles. Characteristics of a Polygon. Multiple angles. A closed (all lines connect up) plane (two dimensional shape with zero thickness) shape.

www.dkfindout.com/us/math/geometry/polygons

Polygons are named according to the number of sides and angles they have. Whatever their shape, all polygons are made up of the same parts: sides, vertices (connecting points), and angles (inside and outside the shape). Polygons can be regular or irregular. The sides and angles of a regular polygon are all equal.

Types of Polygons. Some of the most common shapes are polygons. Rectangles, triangles, and squares are all polygons because they have at least three sides, with no curves, and are completely closed.

www.theschoolrun.com/what-is-a-polygon

What is a polygon? A polygon is a flat, two-dimensional (2D) shape with straight sides that is fully closed (all the sides are joined up). The sides must be straight. Polygons may have any number of sides.