If the length of the sides are different and the angles are not the same size, then it is an irregular polygon. A polygon is a 2D shape with straight sides that meet at vertices. Polygons have ...

What are the different types of CAD? Computer-aided design, or CAD, began in the late 1960s and early in the 1970s and was ...

NARRATOR: Hello! This song is all about different types of flat shapes. We see an image of a farm, and then shapes appear above it as the narrator mentions them. NARRATOR: If you look carefully ...