配套习题- 全等三角形的判定（4）—

1/5单选题

难度：

1.对于两个直角三角形，下列各组条件中，不能判定它们全等的是( )

A	一个锐角和一直角边对应相等
B	斜边和一锐角对应相等
C	两个锐角对应相等
D	两条直角边对应相等

正确答案：Qw==

6Kej562U77yaIEEsQSBBU+aIluiAheS4ukFTQSAsQixBQVMsQyxBQUEsRCxTQVM8YnI+5omA5Lul5pegQUFB5Yik5a6a5pa55rOVPGJyPuaVhemAiUM=

2/5单选题

难度：

2.

如图，已知∠A=∠D=90°，要使用“HL”证明△ABC≌△DCB，应添加条件____；

A	∠DBC=∠ACB
B	AB=CD
C	∠ABC=∠BCD
D	以上都可以

正确答案：Qg==

PHA+6Kej562U77ya4oi14oigQT3iiKBEPTkwwrDvvIxCQz1DQjxicj7lj4jiiLVBQj1DRDxicj7iiLTilrNBQkPiiYzilrNEQ0LvvIhITO+8iTxicj7mlYXpgIlCPC9wPg==

3/5单选题

难度：

3.

如图，DA⊥AB，CB⊥AB，垂足分别为A、B，BD=AC.根据这些条件不能推出的结论是 ( )

A	AD∥BC
B	AD=BC
C	AC平分∠DAB
D	∠C=∠D

正确答案：Qw==

PHA+6Kej562U77ya4oi1REHiiqVBQu+8jENC4oqlQUI8YnI+4oi0QUTiiKVCQzxicj7lj4jiiLVCRD1BQ++8jEFCPUJBPGJyPuKItDxpbWcgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9BOC9CMy9yQkFDRkZURjdtT0JOdV9ZQUFBQzJrUEMxbVkwOTIucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0E4L0IzL3JCQUNGRlRGN21PQk51X1lBQUFDMmtQQzFtWTA5Mi5wbmciIGhlaWdodD0iNDIiIHdpZHRoPSIxMzIiPjxicj7iiLRBRD1CQywg4oigQz3iiKBELOKIoENBQj3iiKBEQkE8YnI+5b6X5LiN5Ye6QUPlubPliIbiiKBEQUI8YnI+5pWF6YCJQzwvcD4=

4/5单选题

难度：

4.

如图，CE⊥AB，DF⊥AB，垂足分别为E、F，AC∥DB，且AC=BD，那么Rt△AEC≌Rt△BFC的理由是（）.

A	SSS
B	AAS
C	SAS
D	HL

正确答案：Qg==

PHA+6Kej562U77ya4oi1Q0XiiqVBQu+8jERG4oqlQUI8YnI+4oi04oigRT3iiKBGPGJyPuWPiOKItUFD4oilREI8YnI+4oi04oigQT3iiKBCPGJyPuWPiOKItUFDPUJEPGJyPuKItFJ04pazQUVD4omMUnTilrNCRkMoQUFTKTwvcD4=

5/5单选题

难度：

5.

已知，如图，△ABC中，AB=AC，AD是角平分线，BE=CF，则下列说法正确的有几个（）（1）AD平分∠EDF；（2）△EBD≌△FCD；（3）BD=CD；（4）AD⊥BC

A	1
B	2
C	3
D	4

正确答案：RA==

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