第一章特殊平行四边形单元测试-2025-2026学年北师大版九年级数学上册提升试题

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2025-2026学年北师大版九年级数学上册单元提升测试

第一章特殊平行四边形

满分:120分  考试时间:120分钟

一、单选题(共30分)

1.(本题3分)如图,在菱形eqId411b38a18046fea8e9fab1f9f9b80a5f中,eqId60ef95894ceebaf236170e8832dcf7e3与eqIdd40b319212a7e7528b053e1c7097e966交于点O.若eqIdf1682d306c38087d9e6f7efb9cec596a,eqId7eb3d1070981fed5ca65a34bb2282e6f,则该菱形eqId411b38a18046fea8e9fab1f9f9b80a5f的面积是(   )

@@@4421c0d2-c82a-4d98-a99f-e2c5ed9f96fd

A.10 B.12 C.14 D.16

2.(本题3分)如图在eqIddd967903ed5a6f640a5b801ec8be0070中eqId27557ad8d2618454755309fad45cb69e,点eqId8455657dde27aabe6adb7b188e031c11是eqIdf52a58fbaf4fea03567e88a9f0f6e37e的中点,eqIde673ef2d48215ca84a48377f17d6df00,eqIdd9f63d194aa0d4091618b6f41f569ee2(   )

@@@c5d66bbf-7234-4995-b7b6-29d6a1b2ee81

A.8 B.5 C.4 D.3

3.(本题3分)如图,菱形eqId411b38a18046fea8e9fab1f9f9b80a5f的周长为eqIdfbbecbd7e92dcbe1766462fcf40066de,对角线eqId60ef95894ceebaf236170e8832dcf7e3,eqIdd40b319212a7e7528b053e1c7097e966交于点eqId1dde8112e8eb968fd042418dd632759e,eqId2a30f3a8b673cc28bd90c50cf1a35281为eqId03902478df1a55bc99703210bccab910的中点,则eqIda299d2b999568e80be8005565ba209a4的长等于(    )

@@@1c9e9a2b-2772-4c8c-b7cc-172b1af7540f

A.eqId61128ab996360a038e6e64d82fcba004 B.eqId22d3bf727f6c78896544c7f6c8ff33ba C.eqId8b06e95b57b7a81cd81d05557a11fa92 D.eqId180ea775f2af05650404d764384e7faa

4.(本题3分)如图,在矩形eqId411b38a18046fea8e9fab1f9f9b80a5f中,两条对角线eqId60ef95894ceebaf236170e8832dcf7e3、eqIdd40b319212a7e7528b053e1c7097e966相交于点eqId1dde8112e8eb968fd042418dd632759e,若eqIddc1eb76fe74cba30f7cbcde349ba80da,eqId9f08273d339dc5ddbb89aa67bb8205e6,则eqIdae248960d8c1677cf948f8251275e863(  )

@@@240b8c86-37aa-4f73-9643-f99fcf0b3b0dpage number 0

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A.eqIdd07ae0b4264da6a8812454ffd2f20d94 B.eqIdd91e07104b699c4012be2d26160976a2 C.eqIdffa37aefb6d45efe4e20ba48c2e7dfa8 D.eqIdcd3304e23f3b0f9569c4140ca89b6498

5.(本题3分)如图,在矩形eqId411b38a18046fea8e9fab1f9f9b80a5f中,对角线eqIde1a9c6a736e6eac98a676fa3232db5a5、eqIdb3182db896bc2462331796e2a6108363相交于点O,eqId68fbbd17c89f03dbb61cd6ffdb9a0344于点E,eqId9e3931efe93bc6aa9110a233efb1ae9f,则eqIde7d19f963f7c803bcfcbb265ec6d4304的大小是(   )

@@@c1d7f602-4cba-420e-bb45-cd31ad75955a

A.eqId79a97bb4dcfab4ec7539bc783d563c49 B.eqIdf1845ed03ec08feac9adee161aab3449 C.eqIdb31a14bd2a972f43d7a26a99589ad083 D.eqId0aee6e4e9350a2665df8597ff8045bbd

6.(本题3分)如图,小青用四根长度相同的木条制作能够活动的菱形学具,他先把活动学具做成图1所示的菱形,并测得eqIda535c2d61ba91fcc3244bccc0f37737f,对角线eqId1bfe6362e241ce790c6c30dfdfe72f07,接着把活动学具做成图2的正方形,则图2中对角线eqId60ef95894ceebaf236170e8832dcf7e3的长为(    )

@@@c54aabcf-3b65-41d7-904e-b720ee8ea630

A.eqId31bc6bab218d65f8d1b8542e369ac9a1 B.eqIdcdb26c5cdef6f16f4b39cd091041b439 C.eqId8ae4f3660586d0b05c0b5e1d71259dde D.eqIdfbe9f7abf7bcf4e1aa2579cd191d7761

7.(本题3分)如图,在菱形纸片eqId411b38a18046fea8e9fab1f9f9b80a5f中,eqIdc5b8b98b2f83279a49e94d9f48c5e6f2,点eqId2a30f3a8b673cc28bd90c50cf1a35281在eqId0dc5c9827dfd0be5a9c85962d6ccbfb1边上,将菱形纸片eqId411b38a18046fea8e9fab1f9f9b80a5f沿eqIde6e490f703eb6c9bb1278c78ebc2d661折叠,点eqIdc5db41a1f31d6baee7c69990811edb9f落在eqIdf52a58fbaf4fea03567e88a9f0f6e37e边的垂直平分线上的点eqId3557809c066e68395b614535a7675e76处,则eqId4c5d3f1c7f7ffdf572978468d5a3adde的大小为(  )

@@@c6ce519b-ab70-4b9e-869a-1dff392d4b9f

A.eqIdf6b86c22b670a8e9f3896f9e8883fbbb B.eqId79a97bb4dcfab4ec7539bc783d563c49 C.eqIdbe6a6301878fed2a01413020b27310a5 D.eqId68a4c9b697e3df2b5469b71d3b5e47a2

8.(本题3分)如图,在正方形eqId411b38a18046fea8e9fab1f9f9b80a5f外取一点P,连接eqId20a541b81584a032f571159ea152c85a、eqId2cdba1337ec85fa9722cb4b320a82ae6、eqId9fd17a66a2af938c89e46f22e4d893b1.若eqIdecbb2dce15f3d0fe839688575d2a8ff8,eqId89b336e518ac4ff04c6c26e4b8a15844.则eqId9fd17a66a2af938c89e46f22e4d893b1的最大值为(    )

@@@e0db1d0b-2b94-42aa-baa3-3a93e79ce754

A.eqId1734bef717187708351c1be3bd035071 B.eqIdd4e7d0191acd17b6a0330ed4e0682f24 C.5 D.6page number 1

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9.(本题3分)如图,以正方形eqId411b38a18046fea8e9fab1f9f9b80a5f的一边向形外作等边eqIde742966e3711cfa53dce04022acf4bcc,eqIdd40b319212a7e7528b053e1c7097e966与eqId1fc56c77464a17a1e97b568762a3e2c6交于点eqIda0ed1ec316bc54c37c4286c208f55667,则eqId11335556072b11e6d1ec0904b1efe506(    )

@@@70972155-295f-43ac-92a5-ec10ebfafb15

A.eqIdbe6a6301878fed2a01413020b27310a5 B.eqId2fb94bd9eb80fb9f5f02f518bb8f2211 C.eqId79a97bb4dcfab4ec7539bc783d563c49 D.eqIdd36581140ebac5d28438ea63b1b23b65

10.(本题3分)如图,四边形eqId411b38a18046fea8e9fab1f9f9b80a5f为正方形,E、B、C共线,把eqId164a4df60a15587971e883cf557b5ce2绕A点逆时针方向旋转到eqId0fa3254460ecbacecb3e57c5dce227f4处,F在eqId9e52a8f07834cbbbe4224962672fbbb2上,连eqId49b50357a6545cae8348e3059312f520,则①旋转角度为eqIdc02b54dc6b3e1bb6544f47d4c8743fcf;②eqIdbcce46d66865dc592661cd68a07c8ddc;③eqId4c105d6ba18fbb0581fb982175e2eac9为等腰直角三角形;④eqId02a8c72e90d5910db72fc23970cbf598,其中正确的是(   )

@@@01f16e26-507c-4c8a-9fd7-800a3b8e6961

A.①② B.②③④ C.①②③ D.①②③④

二、填空题(共24分)

11.(本题3分)在菱形eqId411b38a18046fea8e9fab1f9f9b80a5f中,若eqIdf1682d306c38087d9e6f7efb9cec596a,eqIdd71e6ea7333dbc78d0a7b9bc3892f940,则菱形eqId411b38a18046fea8e9fab1f9f9b80a5f的高为      .

12.(本题3分)如图,两条宽度为1的纸带,相交成eqIdbe6a6301878fed2a01413020b27310a5角,那么重叠部分的面积是     .

@@@c466fc0b-cbb5-4af5-a8e0-0cbd5c1f44fa

13.(本题3分)如图所示,在菱形纸片eqId411b38a18046fea8e9fab1f9f9b80a5f中,eqId8838bde4583ab739872117ea4220c9aa,将菱形纸片翻折,使点eqId8455657dde27aabe6adb7b188e031c11落在eqId6b1bd1adfe4cc6566218f19970c2fd3b的中点eqIda0ed1ec316bc54c37c4286c208f55667处,折痕为eqId31e55e398e8520d8a36fb5a625a085b8,点E,G分别在边eqId935803e3e49a1c39d4c15998b1d25848上,则四边形eqId1321a4f8d931503b75c46777f70c1409的面积为            .

@@@f6f1d572-4f3e-4ba5-a9a5-52730ffeada9

14.(本题3分)如图,正方形eqId411b38a18046fea8e9fab1f9f9b80a5f放在平面直角坐标系eqId7ee31829d0d4d5f779a957d7df8058ab中,点eqId2375a27ead9549550676d4e6a2b47243,eqId5e133e3cfd09f2506749721a8eb43c03,则点eqId7f9e8449aad35c5d840a3395ea86df6d的坐标是   .page number 2

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