Hexagon

Square

Triangle

Octagon

A closed shaped with only straight sides

A closed shape with curved sides

Number of polygon

Number or Interior Angles

Number of sides

Number of names

Number of Polygon

Number of Triangles

Number of vertices

Number of Axis of Symmetry

$\left(n-2\right)\times180\degree$

$\left(n-2\right)\times360\degree$

$\frac{1}{2}\left(a+b\right)\times h$

$\left(n-3\right)\times180\degree$

$540\degree$

$360\degree$

$1080\degree$

$180\degree$

Pentagon

Heptagon

Hexagon

Quadrilateral

$\frac{\left(6-2\right)\times180\degree}{6}$

$\frac{\left(6-2\right)\times180\degree}{4}$

$\frac{\left(4-2\right)\times180\degree}{6}$

$\frac{\left(7-2\right)\times180\degree}{7}$

$\frac{360\degree}{5}$

$\frac{360\degree}{7}$

$\frac{360\degree}{4}$

$\frac{360\degree}{9}$

Dragon

Heptagon

Nonagon

Decagon

7

8

6

9