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来源: 于 2025-11-20 18:44:26 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

Let AB be 1 unit, the FH = [2* sqrt(3)/2 -1] /2      why?

The requested area ratio = (FH/AB)^2 = 2 - sqrt(3)