如图,在
中,
,
,点M在边
上,过点M作
,垂足为点M,交边
于点N,将
沿直线
翻折,点A、C分别与点D、E对应,如果四边形
是平行四边形,那么
的长是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7229742b27b59f255ed6225f59f26c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf271d6475f5305bc922677b4cfe28c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/945e93c9f3515ded840de09a9ba81ce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
22-23八年级下·上海浦东新·期末 查看更多[2]
更新时间:2023-06-30 23:37:53
|
相似题推荐
填空题
|
适中
(0.65)
【推荐1】如图,矩形
的对角线
与
交于点
,过点
作
的垂线分别交
,
于
,
两点,若
,
,则
的长度为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1f4f255d191786f7d330d278868c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69b1ce336399515961b3938820be50a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
![](https://img.xkw.com/dksih/QBM/2022/7/15/3023146496278528/3040615800856576/STEM/4b527c05f1a646378b8d150c998904a8.png?resizew=175)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
解题方法
【推荐2】如图,在平面直角坐标系中,A(﹣3,0),点B是y轴正半轴上一动点,以AB为边在AB的下方作等边三角形ABP,点B在y轴上运动时,连接OP,OP的最小值为 _____ .
![](https://img.xkw.com/dksih/QBM/2022/2/11/2914031517106176/2924485335810048/STEM/2b84f7a8-2e17-4e0f-87a5-e9278b034182.png?resizew=151)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,在
中,
,
,点E,点F为
边上的三等分点,且
,点P在
边上运动(包括A、B两点),连结
、
,若设
,则a的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc1ba2766874730daaad7d3bb7a8ee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b939af5ba06e279cce39396aaf0fae06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/957036e0e7978183a30461c576f27b05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0098fc849d69f719981c5b440f50da59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5880f37f4557f6043d6f25bd544f9f03.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/8/c9f460b4-219c-428a-bd42-265bfe88c1f2.png?resizew=228)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,
为
的外接圆,
的延长线交
于点
,且垂直
于点
,若
的半径为
cm,
cm,则
与
的长度之比为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb262f3529a3e84959fe594b6628c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/12/a57e08b8-8800-41d2-8adc-06bd4d395808.png?resizew=141)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,设点P是平行四边形
的边
上任意一点,设
的面积为
,
的面积为
,
的面积为
,则
之间的数量关系为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7fbd6b9f85c086ac95562fe45e8d969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4234cf4d8159f5df0333bcc269ffe099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96645a3530e72d5d733d2c72147d340.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5931b3d3383523f457cf348e3efb43b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/16/64b1f04b-865f-4f42-9955-837b517f32a9.png?resizew=166)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,P是平行四边形纸片
的
边上一点,以过点P的直线为折痕折叠纸片,使点C,D落在纸片所在平面上
处,折痕与
边交于点M;再以过点P的直线为折痕折叠纸片,使点B恰好落在
边上
处,折痕与
边交于点N.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b3fc98d8813915cd8cf31d2cf1db97.png)
___________ °.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c37547156910f5307b8a0c496909f92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ccb3ef28c97cc8fbc6fcb4d21db87f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91cc04a05475d3b21fb67bcaa3b4746c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b3fc98d8813915cd8cf31d2cf1db97.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
名校
【推荐1】将长方形
纸片沿AE折叠得到如图所示的图形,已知
,则
的度数是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79d416cc74e88869c43d0eccbcadff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a852c13de65877be1f43ac1f88f179d7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/a2c3c263-02fa-4094-ab6d-4810bfa91fa4.png?resizew=142)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,将三角形纸片
的
折叠,使得点
的对应点
落在直线
上,折痕为
,再将
折叠,使得折叠后点
的对应点
落在直线
上,折痕为
,此时可得
,若
,则
的度数为__________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab41cce6eb2d3058a644314865d16548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91f064bb73019053992fe781a53356a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e702e136211878dce558e0457f15df63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f9f8b429cc830b6c9c4ade5d4db25c.png)
您最近一年使用:0次