STAGE A FUNDAMENTAL IDEAS AND ASSUMPTIONS STAGE B PART Ⅰ PARALLELS, CONGRUENCE AND INEQUALITIES PART Ⅱ SECTION 1 AREAS SECTION 2 THE CIRCLE PART Ⅲ S IMILAR FIGURES APPENDIX (Ⅰ) PROOFS OF FUNDAMENTAL THEOREMS (Ⅱ) THE TANGENT AS A LIMITING CHORD (Ⅲ) SUMMARY OF THEOREMS (Ⅳ) SUMMARY OF CONSTRUCTIONS INDEX ANSWERS STAGE A STAGE B 編輯手記
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