鈍角 >90 degrees and < 180 degrees
直角 =90 degrees and =90 degrees only
銳角 < 90 degrees and > 0 degrees
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回複:讚兄弟認真 - No - No - No
-m6412-
♂
(64 bytes)
()
07/23/2010 postreply
10:35:17
•
回複:回複:讚兄弟認真 - No - No - No
-guest007-
♀
(117 bytes)
()
07/23/2010 postreply
12:07:54