Sivukartta Sulje Part III: 2D geometry 1. Congruent and similar figures 2. Scale Mapping methods 3. The similarity of triangles 4. The golden ratio Where does the golden ratio occur? 5. Reflection with respect to an axis Shape and symmetry 6. Reflection with respect to a point 7. Rotation and translation Images 8. Square root 9. Calculating square roots 10. The Pythagorean theorem Images 11. Applications of the Pythagorean theorem 12. The circumference and area of a circle How does the Earth orbit the Sun? 13. The arc and sector of a circle 14. The tangent angle of a circle 15. The inscribed and central angles of a circle 16. Revision Preliminary test (Chapters 1-15)
