- 726 名前:132人目の素数さん mailto:sage [2024/08/05(月) 01:43:01.91 ID:88Ub8uY1.net]
- >>662
赤線内(全体)のとき S = 2π + (3/2)√3 = 8.88126152 X = ((8/3)π + (9/4)√3) / S = 12.2756947 / 8.88126152 = 1.38220169 Y = 0, 黒抜きのとき S = π + 3√3 = 8.33774508 X = (8π/3 + 9√3) / S = 11.9840188 / 8.33774508 = 1.437321325 Y = 0, >>681 とほぼ一致
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