几何课 - 6年级以上 Syllabus 1. Euclid’s postulates and Euclidean Geometry2. Straight lines and angles3. Theorems and proofs4. Pythagorean Theorem5. Congruent Triangles6. Circles and Triangles7. Similar Triangles8. Algebraic methods in Euclidean Geometry9. Three important theorems: Menelaus's theorem, Ceva's theorem and Ptolemy's theorem This course will focus on both theoretical proofs and computations.