第十四章 全等三角形 单元学情检测卷 2026-2027学年人教版数学八年级上册

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第十四章 全等三角形

一、单选题

1.(25-26陕西西安·阶段检测)如图,在eqIddd967903ed5a6f640a5b801ec8be0070中,eqId7e3262fc038bbec5e7c8cc47df08bef7,eqId21b28f28ced0531d1df34fcf04c6c67f的平分线eqId03902478df1a55bc99703210bccab910交eqId0dc5c9827dfd0be5a9c85962d6ccbfb1于点D,eqId32c38dfd14dde969702dff97ef2270f9于点E,若eqId432cce1481829c4dfe2bd557f6e9aa4c,eqIddae8221601c7bd5c51fd520615581fa1,则eqIde6e490f703eb6c9bb1278c78ebc2d661的长为(    )

@@@666f5ffe-1fd7-4029-a0e3-3bf7772147c9

A.2 B.3 C.4 D.5

2.(25-26辽宁大连·期末)图中的两个三角形全等,则eqId780d8fd6c6c1deeeb45e15f639719e02的度数是(     )

@@@cd2346b2-dcb6-4b56-be91-505f035da2d9

A.eqIdb76c70cdaec16900000b28ee9f99e2e3 B.eqId16aa0b9869db50a9ab48cc32925d8e96 C.eqId113240de69e1218e64ea03c03ff9eec9 D.无法确定

3.(24-25江苏苏州·期末)如图所示各选项中的两个图形属于全等图形的是(     )

A.@@@2cd32153-4560-44e2-ba49-9c52d09687ab B.@@@ac915607-d495-4afd-937f-4bf43f8dc37f

C.@@@958c4d28-5bba-4efa-8d56-c37d0f308d39 D.@@@ca5093c9-f9eb-4896-998c-9112992b10d8

4.(25-26广东揭阳·阶段检测)如图,在eqId15c0dbe3c080c4c4636c64803e5c1f76中,eqId7e3262fc038bbec5e7c8cc47df08bef7,eqId03902478df1a55bc99703210bccab910平分eqId7cbce11aa19b8bd2bf6ee5a834e005de,若eqIde27ae4abe9a90ac25d09482ab9b965a4,则点D到eqIdf52a58fbaf4fea03567e88a9f0f6e37e的距离为(  )eqId9efa9fbcfb9595e2f031aa691db4564b.

@@@5b2eb808-186c-4b94-bb04-5aa9b93c8224

A.3 B.1.5 C.6 D.5

5.(2026·辽宁大连·二模)如图,在eqId15c0dbe3c080c4c4636c64803e5c1f76中,eqIdf2e30ffe627436f57ecf46b89c57bb21,eqId8455657dde27aabe6adb7b188e031c11是eqId60ef95894ceebaf236170e8832dcf7e3上一点.eqId32c38dfd14dde969702dff97ef2270f9,eqId6d276d0010fd458383ea3dd61415e1aa,垂足分别为eqId2a30f3a8b673cc28bd90c50cf1a35281,eqIda0ed1ec316bc54c37c4286c208f55667,eqId7faabc484ce3666706c1beffda4bcfe2,连接eqIdd40b319212a7e7528b053e1c7097e966,则eqId246a86f34603eaf2e6a948681b831b0d的度数为(     )page number 0

 

试卷第1页(共1页)

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@@@6cfef51d-4553-4efc-9cc4-7952195366a0

A.eqIdd36581140ebac5d28438ea63b1b23b65 B.eqId2fb94bd9eb80fb9f5f02f518bb8f2211 C.eqId16aa0b9869db50a9ab48cc32925d8e96 D.eqId391479c151307826c9765a47a5f10503

6.(26-27四川达州·开学考试)如图,eqId88929f4ba0851730d5f941d426b87548为eqIde428e7a09732be85c1224e9c8f6a71c5的中线,eqId1a6c6e7c025362c46a64a8956761f08e平分eqIdf9a1eef25c182d8938f4d9d5855749cd,eqIda679040c4d556723e482bacbab41356d平分eqId37a735cd8a7949f85165f0afd9b76215,eqId6d744f121ee858da2db4a516ea3f54cf,eqId9319ae51c72c34f571eb82bf606586e2,若eqId8678a17dd79e5d4fb5dbe59f7d7648ed,则eqId5d6662a348bc40ce4a331dd6c3eac093的度数为(     )

@@@b8a9b08c-0645-46cc-8a32-6a015050e7db

A.eqId3c030b25575d683af91c06e6a3e4f463 B.eqId3acc2ab8a03ec7d05f386c9ba2e49f8c C.eqId8eb90b8c8cadeb19eaf4e2abec1ab413 D.eqIdc3ad1b0a76a887783392268ae203ad22

7.(25-26贵州毕节·期中)如图,在eqId15c0dbe3c080c4c4636c64803e5c1f76和eqId41f0dadf037efedc90b39c57a6880a1a中,eqId0fec9e3bf7ff287df2cbdff8addfaf5c,要使eqIdb50834e39c4e028e0fc303b94d571923,下面是四个同学补充的条件,其中错误的是(     )

@@@f23315ed-8993-4777-99ed-38f11ba89078

A.eqIdc220eadc312101e2fb89dfe920f7b30d B.eqId7de966c316db1013defc56372fcf814e

C.eqId00ada52a0dae5711ac607f5384b2532a D.eqId5c1016bc9ef1c728bccf070a6e4a532f

8.(25-26江苏南通·阶段检测)如图,四边形eqId520f8abda6a85e7ef6f281fc2df853fa中,eqId361bb3b778781da3a666163c3fa9841e,eqId8e26e409479bc4c0bfc3b3fe2a15909f,eqIdbfa51e74fec30925196d729b7b336867,则eqId727ad3e630a224303d6d3b8ad5c114ba的度数为(    )

@@@d4f0c236-cdd9-445c-a6b3-de576050159e

A.eqIdd36581140ebac5d28438ea63b1b23b65 B.eqIdf5265fb57e03d161849d8fe8142a2f89 C.eqId108adee7086a57ca31789455114ee09c D.eqId2f124aa6c15a72314d59122603b4af79

二、填空题

9.(2025广东广州·专题练习)如图,eqId68a83fdd2ba72a2dba0b6b10bb3e06b9为eqId7cbce11aa19b8bd2bf6ee5a834e005de的平分线,过点eqId2a30f3a8b673cc28bd90c50cf1a35281作eqId7f8daff96303a07819bd4ee47731e73b交eqIdf52a58fbaf4fea03567e88a9f0f6e37e于点eqId8455657dde27aabe6adb7b188e031c11,已知eqIde6e490f703eb6c9bb1278c78ebc2d661的长为3,则点eqId2a30f3a8b673cc28bd90c50cf1a35281到线段eqId60ef95894ceebaf236170e8832dcf7e3的距离为_____.page number 1

 

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@@@6e50a267-8256-4c83-b902-57e71bbb3544

10.(25-26浙江杭州·期中)如图,点eqId5963abe8f421bd99a2aaa94831a951e9、eqIda0ed1ec316bc54c37c4286c208f55667、eqIdc5db41a1f31d6baee7c69990811edb9f、eqId8455657dde27aabe6adb7b188e031c11在同一条直线上,eqId1ca10806fc8c3c3efd6859f526b76900,eqIdc3ad4c0ba3a6750537789844d0ec419d,eqId85356332bda04252ec31d64c41d0f3db,则eqId03902478df1a55bc99703210bccab910的长为___________.

@@@20fb2ee7-df72-4a3c-9712-cf273949cb3c

11.(25-26黑龙江绥化·阶段检测)如图,eqId6e3768348eb39fbd684d6779fd33aefc,要使eqId67ed841518c05599b5edc799f15f2fd1,只需添加的一个条件是_______.(填一个即可)

@@@e843b712-bc29-4c21-9024-310774f9a480

12.(25-26吉林长春·期末)已知eqId1ca10806fc8c3c3efd6859f526b76900,eqId822c8a9db19ba18dcd7f1fea3fc43c2c,则eqId0c543c3ddc3723fde6bbfca3ea3b921b的度数为________.

@@@750e5d4b-344c-48f6-b791-20dcd07afa83

13.(25-26陕西咸阳·期末)如图,在eqId15c0dbe3c080c4c4636c64803e5c1f76中,eqId7e3262fc038bbec5e7c8cc47df08bef7,eqId03902478df1a55bc99703210bccab910平分eqId7cbce11aa19b8bd2bf6ee5a834e005de交eqId0dc5c9827dfd0be5a9c85962d6ccbfb1于点eqId8455657dde27aabe6adb7b188e031c11,eqId32c38dfd14dde969702dff97ef2270f9于点eqId2a30f3a8b673cc28bd90c50cf1a35281,若eqIddd8d81866995c31f4a3b29a00046720c,eqId2fc1855e4072fb982325411f19299670,则eqIde6e490f703eb6c9bb1278c78ebc2d661的长为______eqId9efa9fbcfb9595e2f031aa691db4564b.

@@@2578871e-560a-4dbc-ad0d-be2eb8ecb7ad

14.(25-26四川达州·阶段检测)如图,eqId03902478df1a55bc99703210bccab910是eqId15c0dbe3c080c4c4636c64803e5c1f76的中线,在eqIdf52a58fbaf4fea03567e88a9f0f6e37e边上取一点E,连接eqId4eedae8d316c76e3d0b451256de03fb9交eqId03902478df1a55bc99703210bccab910于点F,若eqIdc931bbba4e02a2ad4584311896738f33,eqIddbd073cc962330736c0ed80ff01e5096,eqIdd65639672f444b3d4dc6fc4f357ddbd5,则eqId1b6a23d521606a35298bbf147f7f830c的度数为________.page number 2

 

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