1 . 如图,在
中,
,以
的三边为边向外作正方形,其面积分别为
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54432232d93b8be9a07987345751b4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb51cf50140c2ebd3537ffe43983df04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/17/f0e10083-aff7-4720-a6ca-1a7d31252640.png?resizew=173)
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2 . 如图.在
中,
,分别以
为直角边作等腰直角三角形,若图中
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9620357ea5be4037cfdccd09a27d3862.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce7f6d278f2ef7a193b7eed7be6b3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d0d359f1a0516a8994397cdb09f89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0d7aa815d046dac3d1ee1698206d8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d925d79d473bed249fd2755699995a10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9651204c54475c2e8cda8d0a6eeba177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9620357ea5be4037cfdccd09a27d3862.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/7/b9b9efcf-b65a-4643-9f01-96ef35f0ffc4.png?resizew=173)
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3 . 如图是由两个直角三角形和三个正方形组成的图形,其中阴影部分面积是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/15/3db558b7-ea2d-4cda-900b-45f36812f2d1.png?resizew=177)
A.169 | B.144 | C.36 | D.25 |
您最近一年使用:0次
2023-10-15更新
|
159次组卷
|
2卷引用:陕西省榆林市第十中学2023-2024学年八年级上学期第一次月考数学试题
名校
4 . 数形结合是解决数学问题的一种重要的思想方法,借助这种方法可将抽象的数学知识变得直观,从而可以帮助我们快速解题,初中数学里的一些代数公式,很多都可以通过表示几何图形面积的方法进行直观推导和解释.
中,
,
,
,
,以
的三边长向外作正方形的面积分别为
,
,
,请直接写出
,
,
之间存在的等量关系为______;
(2)如图②,如果以
的三边长
,
,
为直径向外作半圆,那么(1)中的结论是否成立?请说明理由;
(3)如图③,在
中,
,三边长分别为5,12,13,分别以它的三边长为直径向上作半圆,求图(3)中阴影部分的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e781a2489271bfd1597cba1bb6f5887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df81cda12d7601d58b1d9c7c180c4d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c884a45b56bc34d79273b067c1520b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
(2)如图②,如果以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(3)如图③,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
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2023-10-15更新
|
233次组卷
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4卷引用:陕西省西安市碑林区西安市第二十六中学2023-2024学年八年级上学期月考数学试题
5 . 如图所示,在四边形
中,
,
,
,
.
的长;
(2)四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ad8d16722f5b9e7fd2602f14d5ffbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39e2200489c69a8188015bc5400f293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2023-10-12更新
|
39次组卷
|
2卷引用:陕西省西安国际港务区铁一中陆港学校2023-2024学年八年级上学期第一次月考数学试题
6 . 如图,在
中,
,以
的三边为边向外作正方形,其面积分别为
,
,
,且
,
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56910adcc81bf8f13c69b912b2639451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8fcd3097c630b6c99a4b2a6c9f882a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/10/413e546c-c4d5-44c0-99b0-5c98083aa635.png?resizew=207)
您最近一年使用:0次
名校
7 . 如图,在四边形
中,
,分别以四边形的四条边为边向外作四个正方形,若
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b165a33a59f77dbbbf8c75cd27af74d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807d2f5728c0c872fd2d640457a7ba47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61fdde9ccbcb947a7192a20d5feae9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbabc4ce95afc74f68cb9c4d5f139c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b625192d7398634a02ea24fa78ed87.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/19/26b68d7b-3e64-4087-b8a6-e18fd4449bb1.png?resizew=151)
A.76 | B.54 | C.62 | D.81 |
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2023-10-08更新
|
149次组卷
|
3卷引用:陕西省西安市莲湖区益新中学2023-2024学年八年级上学期第一次月考数学试题
8 . 如图,在
中,
于点
,
,
,
.求:
(1)
的面积;
(2)线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/17/2d72e1d2-c450-4c58-a5cf-3159f5b7d943.png?resizew=141)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
名校
9 . 如图,
中,
,分别以
,
为边向外作正方形,面积分别为
,
,若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56910adcc81bf8f13c69b912b2639451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a2244538602400d2d895996b213e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
A.8 | B.![]() | C.18 | D.![]() |
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2023-10-05更新
|
252次组卷
|
5卷引用:陕西省西安交通大学附属中学2023-2024学年八年级上学期第一次月考数学试题
10 . 如图,在
中,
,以
的三边为边向外作正方形,其面积分别为
,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b625192d7398634a02ea24fa78ed87.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc268b38bdd40316b5b2a6c8e9c92fb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1b625192d7398634a02ea24fa78ed87.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/6/076062a5-b371-4431-9c5a-e746bdcaaa40.png?resizew=210)
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