YLL討論網

#ed_op#DIV#ed_cl##ed_op#SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-TW; mso-bidi-language: AR-SA"#ed_cl#在小於一周角範圍內，大於平角的叫“優角”，小於平角的叫“劣角”（對應於優弧劣的概念）；在小於平角的範圍內，小於直角的叫銳角，大於直角的叫鈍角。#ed_op#/SPAN#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-TW; mso-bidi-language: AR-SA"#ed_cl#資料來源：#ed_op#/SPAN#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 新細明體; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-TW; mso-bidi-language: AR-SA"#ed_cl##ed_op#A href="http://www.sowerclub.com/ViewTopic.php?id=154829"#ed_cl#http://www.sowerclub.com/ViewTopic.php?id=154829#ed_op#/A#ed_cl##ed_op#/SPAN#ed_cl##ed_op#/DIV#ed_cl##ed_op#P#ed_cl##ed_op#SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-TW; mso-bidi-language: AR-SA; mso-fareast-font-family: 新細明體"#ed_cl#類似資料：#ed_op#/SPAN#ed_cl##ed_op#/P#ed_cl##ed_op#P#ed_cl##ed_op#SPAN lang=EN-US style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-TW; mso-bidi-language: AR-SA; mso-fareast-font-family: 新細明體"#ed_cl##ed_op#A href="http://www.chinaschool.org/kcgg/mantan/050127_35.htm"#ed_cl#http://www.chinaschool.org/kcgg/mantan/050127_35.htm#ed_op#/A#ed_cl##ed_op#/P#ed_cl##ed_op#DIV#ed_cl##ed_op#BR#ed_cl# #ed_op#/SPAN#ed_cl##ed_op#/DIV#ed_cl#

關於這個問題，我想請問一下版主，那麼大於180度~360度的角稱為什麼？

是不是也叫做鈍角？

疑惑者 寫到:#ed_op#DIV#ed_cl#鈍角有無規定一定小於180度大於90度#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#因為學校老師出了一題問題#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#兩個鈍角相減一定是銳角嗎？#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl##ed_op#P#ed_cl#

#ed_op#/P#ed_cl##ed_op#P#ed_cl#鈍角的定義就是小於180度大於90度的角#ed_op#/P#ed_cl##ed_op#P#ed_cl#90度＞兩個鈍角相減≧0度#ed_op#/P#ed_cl##ed_op#P#ed_cl#會是銳角或是0#ed_op#/P#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl#

#ed_op#DIV#ed_cl#鈍角有無規定一定小於180度大於90度#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#因為學校老師出了一題問題#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl#兩個鈍角相減一定是銳角嗎？#ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl##ed_op#DIV#ed_cl##ed_op#/DIV#ed_cl#