Classification of 2-D Figures
Polygons
- Regular Polygons
- Irregular Polygons
- Complex Polygons
Circles and Ellipses
- Perfect Circle
- Ellipse
- Circle Sectors and Segments
Triangles by Sides
- Equilateral Triangle
- Isosceles Triangle
- Scalene Triangle
Triangles by Angles
- Acute Triangle
- Right Triangle
- Obtuse Triangle
Quadrilaterals
- Parallelogram
- Rectangle
- Rhombus