Sorry maybe this is a mental block, but...

回答: 回複:The maximum is n-3 reflex angles好吃客2010-07-21 06:20:14

A reflex angle is bigger than 180. When you draw lines on an arc, they are zig-zaged, which means the angles are definitely 1 reflex following by 1 non-reflex. Am I missing something here?

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No, that's not necessarily the case -ElizabethTaylor- 給 ElizabethTaylor 發送悄悄話 ElizabethTaylor 的博客首頁 (336 bytes) () 07/22/2010 postreply 05:16:37

Got it ! hanks a bunch! -好吃客- 給 好吃客 發送悄悄話 (0 bytes) () 07/22/2010 postreply 07:10:41

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