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Types of Polygons


Videos, worksheets, stories and songs to teach Grade 3 students the types of polygons: Triangles, Quadrilaterals, Pentagon, Hexagon, Heptagon, Octagon, Nonagon, Decagon.

A polygon is a closed plane (2-D) figure having three or more straight sides that intersect only at the vertices. Polygons have the same number of sides as vertices. Polygons are identified by their number of sides.

A regular polygon has equal sides and equal angles. An irregular polygon is a polygon whose sides are not all the same length. A circle is not a polygon because it does not have straight line segments.


Polygon Song by Peter Weatherall
I am a parallelogram song by Peter Weatherall

Learn the definition of polygon - a very important shape in geometry. When a polygon has a small number of sides, there is a word you use instead of "polygon". We teach you the names of polygons with 3 to 10 sides.
In this catchy song, learn to identify polygons: from triangles to decagons.

Names of Basic Shapes
Naming Polygons
Math Lesson about different types of polygons. Some polygons include triangle, quadrilateral, pentagon, hexagon, heptagon, octagon, nonagon, and decagon.

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