給出一個內角相等的凸多邊形A,按其任一條最長一邊,作一正邊形B,A在B內。
設A與B的相應邊的邊距和為h,若A
給出一個內角相等的凸多邊形A,按其任一條最長一邊,作一正邊形B,A在B內。
設A與B的相應邊的邊距和為h,若A
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