請問一個n-邊的多邊型，最多能有幾個優角（reflex angle）？

所有跟帖： 

• The maximum is n-3 reflex angles -AnaZhang- ♀ (508 bytes) () 07/21/2010 postreply 05:29:33

• 回複：The maximum is n-3 reflex angles -好吃客- ♀ (246 bytes) () 07/21/2010 postreply 06:20:14

• 回複：回複：The maximum is n-3 reflex angles -guest007- ♀ (12 bytes) () 07/21/2010 postreply 06:38:26

• A key corollary to (2) is that -外-國人- ♂ (149 bytes) () 07/21/2010 postreply 11:28:30

• Here's an easy way to visualize it -ElizabethTaylor- ♂ (428 bytes) () 07/21/2010 postreply 15:09:34

• Sorry maybe this is a mental block, but... -好吃客- ♀ (188 bytes) () 07/21/2010 postreply 19:31:38

• No, that's not necessarily the case -ElizabethTaylor- ♂ (336 bytes) () 07/22/2010 postreply 05:16:37

• Got it ! hanks a bunch! -好吃客- ♀ (0 bytes) () 07/22/2010 postreply 07:10:41

• 回複：請問一個n-邊的多邊型，最多能有幾個優角（reflex angle）？ -m6412- ♂ (43 bytes) () 07/21/2010 postreply 16:10:28