BBC2 年
Classifying quadrilaterals
Polygons are 2D shapes with 3 or more straight sides. All quadrilaterals are polygons, but there are other types of polygons too. As you can see, some quadrilaterals share more properties than ...
BBC2 年
Classifying quadrilaterals
Polygons are 2D shapes with 3 or more straight sides. All quadrilaterals are polygons, but there are other types of polygons too. As you can see, some quadrilaterals share more properties than ...