ИН.СТР.-ГЕОМЕТРИЯ НА ПЛ-ТИ - НРАВИТСЯ
6 Properties Of Trapezoids
6 Area Of Triangles And Quadrilaterals
6 Properties Of Parallelograms
7 Using Similar Polygons
7 Similar Polygons
6 Classifying Quadrilaterals
6 Polygons And Angles
6 Angles In Quadrilaterals
6 Introduction To Polygons
6 Area Of Regular Polygons