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Sacred Mathematics. Part 1: F.3 Sci and Math Competition. Some Variations. Solution for 2. Solution for 5. Solution for 3. 商高定理. Euclid II.14. F.3 Textbook Irrational No. 36. a. 9. b. r. Part 2: F.4 Circles & Tangents. 36. b. 9. 36. 2. c. 9. 1. b = 36 – 9 = 27
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36 a 9 b r Part 2: F.4 Circles & Tangents
36 b 9 36 2 c 9 1 b = 36 – 9 = 27 c = (452 – 272) = 36
r 1 x Sangaku Problem
Descartes Circle Theorem 1830 Hasimoto Masataka 橋本正孝/ 1643 Descartes's original drawing
k r3 r2 θ r1 r1 Preliminary Result