A polygon is simply a shape with three or more sides and angles. Quadrilaterals are 2D shapes with four sides and angles. There are six special quadrilaterals with different properties. A ...

A quadrilateral is a 2D close two-dimensional (2D) Having only two dimensions, usually length (or height) and width. shape with four sides. There are six special quadrilaterals with different ...

The Land of Quadrilaterals by Kamara W., Rye, NH – While it might be hip to be a square, it is also cool to be a triangle! Aired 09/12/2018. Problems with Closed Captions?