The sides and angles are all different, so it is an irregular decagon. Zach asks what a regular decagon would look like, and Ada explains that in a regular polygon, all the sides are the same ...

A polygon is a closed 2D shape with straight sides that meet at vertices. Polygons can be regular or irregular. If all the straight sides of a shape are the same length and interior angles are the ...

Polygons can be regular or irregular. If the angles are all equal and all the sides are equal length it is a regular polygon. To find the sum of interior angles in a polygon divide the polygon ...