They are:
Regular Polygons.Irregular Polygons.Concave Polygons.Convex Polygons.Trigons.Quadrilateral Polygons.Pentagon Polygons.Hexagon Polygons.

What type of polygon has 12 sides?

A 12 sided shape is a polygon called a dodecagon.

What is the sum of the interior angles of a nonagon 9 sides?

A nonagon consists of 9 angles. The sum of angles of a nonagon is 1260°.

What is the sum of the exterior angles of a nonagon?

The sum of the measures of the exterior angles is 360. A convex regular nonagon has 9 congruent exterior angles. 9n = 360 n = measure of each exterior angle n = 40 Divide each side by 9.

What do angles in a pentagon add up to?

Pentagon is formed from three triangles, so the sum of angles in a pentagon = 3 × 180° = 540°.

What polygon has 13 sides?

A 13-sided polygon, sometimes also called the triskaidecagon.

What is a 100 sided shape called?

A 100-sided polygon is called a hectogon.

What is the name of the shape that has 4 sides?

Definition: A quadrilateral is a polygon with 4 sides. A diagonal of a quadrilat- eral is a line segment whose end-points are opposite vertices of the quadrilateral.