Understanding Polygons

A polygon is a closed two-dimensional shape with straight sides.

A polygon is a closed two-dimensional shape with only one side.

A polygon is an open shape with at least one straight side.

A polygon is a three-dimensional shape with curved sides.

Circle

Square Root

Triangle, Quadrilateral, Pentagon, Hexagon, Heptagon, Octagon, Nonagon, Decagon, Dodecagon, and others.

Ellipse

Polygons have curved sides.

Polygons can only have three sides.

Polygons have straight sides, a defined number of sides, interior angles, and can be classified as regular or irregular, convex or concave.

Polygons do not have interior angles.

3

4

6

5

pentagon

triangle

hexagon

octagon

A regular polygon can have varying side lengths.

A regular polygon is a three-dimensional shape.

A regular polygon is a polygon with all sides and angles equal.

A regular polygon has unequal sides and angles.

120 degrees

180 degrees

360 degrees

90 degrees

Square (3 sides)

Polygons are classified as follows: Triangle (3 sides), Quadrilateral (4 sides), Pentagon (5 sides), Hexagon (6 sides), Heptagon (7 sides), Octagon (8 sides), Nonagon (9 sides), Decagon (10 sides), etc.

Circle (1 side)

Dodecagon (12 sides)