Unit 12. Geometric Figures
Polygons and other flat shapes
Triangles
Cordovan triangles and related shapes
- Cordovan triangles
- Cordovan rectangles
- Cordovan rhombuses
- Cordovan trapeziums
Quadrilaterals
Basic geometry elements
- Relationships between angles and sides
- Building triangles
- Medians of a triangle. Centroid.
- Altitudes of a triangle. Orthocenter
- Circumference of a triangle
- Relative position of a straight line with respect to a circumference.
- Relative position of two circumferences.
Symmetry
Polyhedral
Solids of revolution