Polygonsby Ms. Jernigan

Polygons

• The word polygon means “many angles”• A two dimensional object• A closed figure

More about Polygons

• Made up of three or more straight line segments• There are exactly two

sides that meet at a vertex• The sides do not cross

each other

Examples of Polygons

These are not Polygons

Terms:

Side: One of the line segments that make up a polygon.

Vertex: point where two sides meet.

Types of Polygons continued

• Regular Polygon: a polygon where all the angles are equal and all of the sides are the same length. They are both equilateral and equiangular

Examples of Regular Polygons

TRIangle• A three sided polygon• TRI means 3

Triplets TripodTriangle

Quadrilateral

• A four sided polygon. A quadrilateral that is a regular polygon is called a square.

• QUAD means 4

Quadruplets

Pentagon

• A five sided polygon• Pent means 5

Pentagon

Hexagon

• A six sided polygon• HEX means 6

Hex Bolt

Heptagon

• A seven sided polygon• Hept means 7

Heptotica Flower

Octagon

• An eight sided polygon• OCT means 8

Octopus