Understanding Polygons

Points where two sides meet

• Edges

• Vertices

• Faces

• Angles

Line segments forming the polygon

• Vertices of a Polygon

• Sides of a Polygon

• Angles of a Polygon

• Diagonals of a Polygon

7-sided polygon

• Hexagon

• Heptagon

• Octagon

• Decagon

4-sided polygon

• Triangle

• Quadrilateral

• Pentagon

• Hexagon

5-sided polygon

• Hexagon

• Pentagon

• Quadrilateral

• Octagon

At least one interior angle greater than 180°

• Convex Polygon

• Concave Polygon

• Regular Polygon

• Irregular Polygon

Sides and angles are not equal

• Regular Polygon

• Irregular Polygon

• Equilateral Triangle

• Square

9-sided polygon

• Hexagon

• Octagon

• Nonagon

• Decagon

All interior angles less than 180°

• Concave Polygon

• Convex Polygon

• Regular Polygon

• Irregular Polygon

8-sided polygon

• Hexagon

• Octagon

• Decagon

• Quadrilateral