1.平行且相等的线段有AB与A'B',BC与B'C.CD与C'D',DA与D'A.连接AA',BB',CC',DD',则AA'与BB'与CC'与DD'平行且相等,图略.
2.将△ABE平移得到△DCE'图略相等的线段:AB=DC,BE=CE'AE=DE'AD=BC相等的角:∠ABE=∠DCE'=∠ADC,∠AEB=∠DE'C=∠EAD=∠ADE',∠EAB=∠E'DC.
试卷导航1.平行且相等的线段有AB与A'B',BC与B'C.CD与C'D',DA与D'A.连接AA',BB',CC',DD',则AA'与BB'与CC'与DD'平行且相等,图略.
2.将△ABE平移得到△DCE'图略相等的线段:AB=DC,BE=CE'AE=DE'AD=BC相等的角:∠ABE=∠DCE'=∠ADC,∠AEB=∠DE'C=∠EAD=∠ADE',∠EAB=∠E'DC.
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