13锛庡?鍥?涓€涓?悎鏍肩殑寮?舰绠￠亾,缁忚繃涓ゆ?鎷愬集鍚庝繚鎸佸钩琛岋紙AB鈭?C锛夛紟濡傛灉鈭燙=60掳,閭ｄ箞鈭燘鐨勫害鏁版槸________锛嶞br/>\x0914锛庡凡鐭?濡傚浘,鈭?=鈭燗BC=鈭燗DC,鈭?

13锛庡?鍥?涓€涓?悎鏍肩殑寮?舰绠￠亾,缁忚繃涓ゆ?鎷愬集鍚庝繚鎸佸钩琛岋紙AB鈭?C锛夛紟濡傛灉鈭燙=60掳,閭ｄ箞鈭燘鐨勫害鏁版槸________锛嶞br/>\x0914锛庡凡鐭?濡傚浘,鈭?=鈭燗BC=鈭燗DC,鈭?
13锛庡?鍥?涓€涓?悎鏍肩殑寮?舰绠￠亾,缁忚繃涓ゆ?鎷愬集鍚庝繚鎸佸钩琛岋紙AB鈭?C锛夛紟濡傛灉鈭燙=60掳,閭ｄ箞鈭燘鐨勫害鏁版槸________锛嶞br/>\x0914锛庡凡鐭?濡傚浘,鈭?=鈭燗BC=鈭燗DC,鈭?=鈭?,鈭?=鈭?,鈭燗BC+鈭燘CD=180掳锛庡皢涓嬪垪鎺ㄧ悊杩囩▼琛ュ厖瀹屾暣锛欬br/> 锛?锛夆埖鈭?=鈭燗BC锛堝凡鐭ワ級,
鈭碅D鈭?_____
锛?锛夆埖鈭?=鈭?锛堝凡鐭ワ級,
鈭碅B鈭?_____,
锛坃______________________________锛堻br/> 锛?锛夆埖鈭燗BC+鈭燘CD=180掳锛堝凡鐭ワ級,
鈭確______鈭?_______,
\x09锛坃_______________________________锛

13锛庡?鍥?涓€涓?悎鏍肩殑寮?舰绠￠亾,缁忚繃涓ゆ?鎷愬集鍚庝繚鎸佸钩琛岋紙AB鈭?C锛夛紟濡傛灉鈭燙=60掳,閭ｄ箞鈭燘鐨勫害鏁版槸________锛嶞br/>\x0914锛庡凡鐭?濡傚浘,鈭?=鈭燗BC=鈭燗DC,鈭?
14.(1) BC
(2)CD 内错角相等,两直线平行
(3)AB∥CD 同旁内角互补,两直线平行
13题的图?