2022年全等三角形边角边判定的练习题 .pdf
全等三角形边角边判定的基本练习1.如图 3，已知 ADBC，ADCB，要用边角边公理证明ABC CDA，需要三个条件，这三个条件中，已具有两个条件，一是ADCB(已知)，二是 _；还需要一个条件_(这个条件可以证得吗？)。2.如图 4，已知 AB AC，ADAE，1 2，要用边角边公理证明ABDACE，需要满足的三个条件中，已具有两个条件：一是_,二是_还需要一个条件_(这个条件可以证得吗？)。3.已知：ADBC，AD CB(图 3)。求证：ADC CBA 4.已知：ABAC、ADAE、1 2(图 4)。求证：ABD ACE。5.已知：如图，AB AC，F、E 分别是AB、AC 的中点。求证：ABE ACF。6、已知：点A、F、E、C 在同一条直线上，AFCE，BEDF，BE DF求证：ABE CDF7、已知：如图AB=AC,AD=AE,BAC=DAE，求证：ABD ACE 8、如图，ABC中，ABAC，AD 平分 BAC，试说明 ABD ACD。9、已知：如图，ADBC，AD=CB。求证：ADC CBA。文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S3文档编码:CE2Q3X6P7L8 HP10F1T4I5H9 ZP1O9V7U4S310、已知：如图，ADBC，AD=CB，CF=。求证：CEB AFD。11、已知：如图，点A、B、C、D 在同一条直线上，DB=，DF=，AD，AD，垂足分别是A、D。求证：FDC 12、已知：如图，AC=，AE=，1=2。求证：ACE。13、如图，在中，D 是 AB 上一点，DF 交 AC于点 E，FE=，CE=，AB 与 CF有什么位置关系？说明你判断的理由。文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 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ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H514、已知：如图，DBA=，BD=。求证 C=D 15、已知：如图，AC和 BD 相交于点O，OC=，OD=。求证：DCAB。16、已知：如图，AC和 BD 相交于点O，DC=，DB=。求证：C=B。17、已知：如图,D、E分别是 ABC的边 AB,AC的中点,点 F在 DE的延长线上,且 EF=DE 求证：(1)BD=FC(2)ABCF 文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 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ZE8L5N10W10H518、已知:如图,AB=AC,EB=EC,AE 的延长线交BC于 D求证：BD=CD 19、已知:如图,AB=AC,AD=AE,BAC=DAE.求证:BD=CE 20、已知，ABC和 ECD都是等边三角形，且点B，C，D 在一条直线上求证：BE=AD 21、如图，已知，ABDE，AB=DE，AF=DC。请问图中有那几对全等三角形？请任选一对给予证明。文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 ZE8L5N10W10H5文档编码:CG7W2Y4R8C10 HQ8X9F7C3X8 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