è¦ææ¡åä¸æ°å¦å ä½è¯æé¢æå·§ï¼çç»è¿ç¨åè®°å¿å¦ä¸åçæ¯å
³é®ãä¸é¢å½ç±»ä¸ä¸ï¼å¤åç»ä¹ ï¼çè½çå·§ï¼éå°å ä½è¯æé¢è½æ³å°éç¨åªä¸ç±»ååçæ¥è§£å³é®é¢ãä¸ãè¯æ两线段ç¸ç 1.两å
¨çä¸è§å½¢ä¸å¯¹åºè¾¹ç¸çã 2.åä¸ä¸è§å½¢ä¸çè§å¯¹çè¾¹ã 3.çè
°ä¸è§å½¢é¡¶è§çå¹³å线æåºè¾¹çé«å¹³ååºè¾¹ã 4.å¹³è¡å边形ç对边æ对è§çº¿è¢«äº¤ç¹åæç两段ç¸çã 5.ç´è§ä¸è§å½¢æè¾¹çä¸ç¹å°ä¸é¡¶ç¹è·ç¦»ç¸çã 6.线段åç´å¹³å线ä¸ä»»æä¸ç¹å°çº¿æ®µä¸¤æ®µè·ç¦»ç¸çã 7.è§å¹³å线ä¸ä»»ä¸ç¹å°è§ç两边è·ç¦»ç¸çã 8.è¿ä¸è§å½¢ä¸è¾¹çä¸ç¹ä¸å¹³è¡äºç¬¬ä¸è¾¹çç´çº¿å第äºè¾¹ææç线段ç¸çã *9.ååï¼æçåï¼ä¸ç弧æ对ç弦æä¸åå¿çè·ç两弦æçåå¿è§ãåå¨è§æ对ç弦ç¸çã *10.åå¤ä¸ç¹å¼åç两æ¡å线çå线é¿ç¸çæåå
åç´äºç´å¾ç弦被ç´å¾åæç两段ç¸çã 11.两å项ï¼æ两å项ï¼ç¸ççæ¯ä¾å¼ä¸ç两å项ï¼æ两å项ï¼ç¸çã *12.两åçå
ï¼å¤ï¼å
¬å线çé¿ç¸çã 13.çäºåä¸çº¿æ®µç两æ¡çº¿æ®µç¸çãäºãè¯æ两个è§ç¸ç 1.两å
¨çä¸è§å½¢ç对åºè§ç¸çã 2.åä¸ä¸è§å½¢ä¸ç边对çè§ã 3.çè
°ä¸è§å½¢ä¸ï¼åºè¾¹ä¸çä¸çº¿ï¼æé«ï¼å¹³å顶è§ã 4.两æ¡å¹³è¡çº¿çåä½è§ãå
éè§æå¹³è¡å边形ç对è§ç¸çã 5.åè§ï¼æçè§ï¼çä½è§ï¼æè¡¥è§ï¼ç¸çã *6.ååï¼æåï¼ä¸ï¼ç弦ï¼æ弧ï¼æ对çåå¿è§ç¸çï¼åå¨è§ç¸çï¼å¼¦åè§çäºå®æ夹ç弧对çåå¨è§ã *7.åå¤ä¸ç¹å¼åç两æ¡å线ï¼åå¿åè¿ä¸ç¹çè¿çº¿å¹³å两æ¡å线ç夹è§ã 8.ç¸ä¼¼ä¸è§å½¢ç对åºè§ç¸çã *9.åçå
æ¥å边形çå¤è§çäºå
对è§ã 10.çäºåä¸è§ç两个è§ç¸çã ä¸ãè¯æ两æ¡ç´çº¿äºç¸åç´ 1.çè
°ä¸è§å½¢ç顶è§å¹³å线æåºè¾¹çä¸çº¿åç´äºåºè¾¹ã 2.ä¸è§å½¢ä¸ä¸è¾¹çä¸çº¿è¥çäºè¿è¾¹ä¸åï¼åè¿ä¸è¾¹æ对çè§æ¯ç´è§ã 3.å¨ä¸ä¸ªä¸è§å½¢ä¸ï¼è¥æ两个è§äºä½ï¼å第ä¸ä¸ªè§æ¯ç´è§ã 4.é»è¡¥è§çå¹³å线äºç¸åç´ã 5.ä¸æ¡ç´çº¿åç´äºå¹³è¡çº¿ä¸çä¸æ¡ï¼åå¿
åç´äºå¦ä¸æ¡ã 6.两æ¡ç´çº¿ç¸äº¤æç´è§å两ç´çº¿åç´ã 7.å©ç¨å°ä¸çº¿æ®µä¸¤ç«¯çè·ç¦»ç¸ççç¹å¨çº¿æ®µçåç´å¹³å线ä¸ã 8.å©ç¨å¾è¡å®ççéå®çã 9.å©ç¨è±å½¢ç对è§çº¿äºç¸åç´ã *10.å¨åä¸å¹³å弦ï¼æ弧ï¼çç´å¾åç´äºå¼¦ã *11.å©ç¨ååä¸çåå¨è§æ¯ç´è§ã åãè¯æ两ç´çº¿å¹³è¡ 1.åç´äºåä¸ç´çº¿çåç´çº¿å¹³è¡ã 2.åä½è§ç¸çï¼å
éè§ç¸çæåæå
è§äºè¡¥ç两ç´çº¿å¹³è¡ã 3.å¹³è¡å边形ç对边平è¡ã 4.ä¸è§å½¢çä¸ä½çº¿å¹³è¡äºç¬¬ä¸è¾¹ã 5.梯形çä¸ä½çº¿å¹³è¡äºä¸¤åºã 6.å¹³è¡äºåä¸ç´çº¿ç两ç´çº¿å¹³è¡ã 7.ä¸æ¡ç´çº¿æªä¸è§å½¢ç两边ï¼æ延é¿çº¿ï¼æå¾ç线段对åºææ¯ä¾ï¼åè¿æ¡ç´çº¿å¹³è¡äºç¬¬ä¸è¾¹ã äºãè¯æ线段çåå·®åå 1.ä½ä¸¤æ¡çº¿æ®µçåï¼è¯æä¸ç¬¬ä¸æ¡çº¿æ®µç¸çã 2.å¨ç¬¬ä¸æ¡çº¿æ®µä¸æªåä¸æ®µçäºç¬¬ä¸æ¡çº¿æ®µï¼è¯æä½ä¸é¨åçäºç¬¬äºæ¡çº¿æ®µã 3.延é¿ç线段为å
¶äºåï¼åè¯æå®ä¸è¾é¿ç线段ç¸çã 4.åé¿çº¿æ®µçä¸ç¹ï¼åè¯å
¶ä¸åçäºç线段ã 5.å©ç¨ä¸äºå®çï¼ä¸è§å½¢çä¸ä½çº¿ãå«30度çç´è§ä¸è§å½¢ãç´è§ä¸è§å½¢æè¾¹ä¸çä¸çº¿ãä¸è§å½¢çéå¿ãç¸ä¼¼ä¸è§å½¢çæ§è´¨çï¼ã å
ãè¯æ è§çåå·®åå 1.ä¸è¯æ线段çåãå·®ãåãåæè·¯ç¸åã 2.å©ç¨è§å¹³å线çå®ä¹ã 3.ä¸è§å½¢çä¸ä¸ªå¤è§çäºåå®ä¸ç¸é»ç两个å
è§çåã ä¸ãè¯æ线段ä¸ç 1.åä¸ä¸è§å½¢ä¸ï¼å¤§è§å¯¹å¤§è¾¹ã 2.å线段æçã 3.ä¸è§å½¢ä¸¤è¾¹ä¹å大äºç¬¬ä¸è¾¹ï¼ä¸¤è¾¹ä¹å·®å°äºç¬¬ä¸è¾¹ã 4.å¨ä¸¤ä¸ªä¸è§å½¢ä¸æ两边åå«ç¸çè夹è§ä¸çï¼å夹è§å¤§ç第ä¸è¾¹å¤§ã *5.ååæçåä¸ï¼å¼§å¤§å¼¦å¤§ï¼å¼¦å¿è·å°ã 6.å
¨é大äºå®çä»»ä½ä¸é¨åã å
«ãè¯æ两è§çä¸ç 1.åä¸ä¸è§å½¢ä¸ï¼å¤§è¾¹å¯¹å¤§è§ã 2.ä¸è§å½¢çå¤è§å¤§äºåå®ä¸ç¸é»çä»»ä¸å
è§ã 3.å¨ä¸¤ä¸ªä¸è§å½¢ä¸æ两边åå«ç¸çï¼ç¬¬ä¸è¾¹ä¸çï¼ç¬¬ä¸è¾¹å¤§çï¼ä¸¤è¾¹ç夹è§ä¹å¤§ã *4.ååæçåä¸ï¼å¼§å¤§ååå¨è§ãåå¿è§å¤§ã 5.å
¨é大äºå®çä»»ä½ä¸é¨åã ä¹ãè¯ææ¯ä¾å¼æçç§¯å¼ 1.å©ç¨ç¸ä¼¼ä¸è§å½¢å¯¹åºçº¿æ®µææ¯ä¾ã 2.å©ç¨å
å¤è§å¹³å线å®çã 3.å¹³è¡çº¿æªçº¿æ®µææ¯ä¾ã 4.ç´è§ä¸è§å½¢ä¸çæ¯ä¾ä¸é¡¹å®çå³å°å½±å®çã *5.ä¸åæå
³çæ¯ä¾å®ç---ç¸äº¤å¼¦å®çãåå²çº¿å®çåå
¶æ¨è®ºã 6.å©ç¨æ¯å©å¼æç积å¼åå¾ã åãè¯æåç¹å
±å *1.对è§äºè¡¥çå边形ç顶ç¹å
±åã *2.å¤è§çäºå
对è§çå边形å
æ¥äºåã *3.ååºè¾¹ç顶è§çä¸è§å½¢ç顶ç¹å
±åï¼é¡¶è§å¨åºè¾¹çå侧ï¼ã *4.åæè¾¹çç´è§ä¸è§å½¢ç顶ç¹å
±åã *5.å°é¡¶ç¹è·ç¦»ç¸ççåç¹å
±åå¸æå¯¹ä½ ææ帮å©ï¼ç¥æ¨å¦ä¹ è¿æ¥ï¼
温馨提示:内容为网友见解,仅供参考