勾股定理是人类早期发现并证明的重要数学定理之一,是数形结合的重要纽带,数学家欧几里得利用如图验证了勾股定理:以直角三角形
的三条边为边长向外作正方形
,正方形
,正方形
,连接
,
,过点C作
于点J,交
于点K.设正方形
的面积为
,正方形
的面积为
,长方形
的面积为
,长方形
的面积为
,下列结论:①
;②
;③
;④
.正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c35e7a990d8ff3e55945fd4718a9740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616b46476c1f1d22e3a21d6fa33a3400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9020059d62af7498039f091de6f005ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b2d867e080a3432bc0eebfbff4d07c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c35e7a990d8ff3e55945fd4718a9740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616b46476c1f1d22e3a21d6fa33a3400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8b1372528e5ba6d091b58f87728dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28bccb086bb32af1b5e0634e3cd7ffb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30f56664446f32dbbc2c5f12a99374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81275cdcd92482b9cd2f0bb486ea1ecc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb766a50454f908b6fe29ec6be0336c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0808109c975b3da7ef0938d7f4e143ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6a01835d22d5ee586fb20ece39d881.png)
A.1个 | B.2个 | C.3个 | D.4个 |
更新时间:2024-05-16 10:23:49
|
相似题推荐
单选题
|
较难
(0.4)
解题方法
【推荐1】如图,在边长为1的正方形
中,点
,
分别在边
,
上,且
,连接
、
交于点
,连接
,则线段
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9b11f2ea112fff1885811bd5bc73cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/12/54ca7470-2394-49fe-83cc-24b9588729bf.png?resizew=136)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,在菱形
中,连接
,
,点E、F分别是
上的点,且
,连接
交于点H,连接
交
于点O.
则下列结论:
①
;②
;
③
平分
;
④若
,则
.其中正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/10/dd8b2219-a6eb-4a8c-a37b-3e0137508c85.png?resizew=223)
![](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/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3355e2fa0ac6c675f02ee36c3ced4f2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f8eebda19eded2b059774a8c2666c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbe3114e3904346f34ffa843cbb3146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
则下列结论:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c581dab991aeadf06d972e47673ea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16460661d59793736cc43e29a8ef229.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95777a5aa465745ef2011bd042b3216.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c075b6a87c1cb7edec1f616de52ecca0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/10/dd8b2219-a6eb-4a8c-a37b-3e0137508c85.png?resizew=223)
A.4 | B.3 | C.2 | D.1 |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐1】勾股定理是人类早期发现并证明的重要数学定理之一,是数形结合的重要纽带.数学家欧几里得利用下图验证了勾股定理.以直角三角形
的三条边为边长向外作正方形
,正方形
,正方形
,连接
,
,过点C作
于点J,交
于点K.设正方形
的面积为
,正方形
的面积为
,矩形
的面积为
,矩形
的面积为
,下列结论中:①
;②
;③
;④
,正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c35e7a990d8ff3e55945fd4718a9740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616b46476c1f1d22e3a21d6fa33a3400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9020059d62af7498039f091de6f005ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b2d867e080a3432bc0eebfbff4d07c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c35e7a990d8ff3e55945fd4718a9740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616b46476c1f1d22e3a21d6fa33a3400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8b1372528e5ba6d091b58f87728dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28bccb086bb32af1b5e0634e3cd7ffb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30f56664446f32dbbc2c5f12a99374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81275cdcd92482b9cd2f0bb486ea1ecc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aeeaccd9f736b9ecd14c816fc1069cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0808109c975b3da7ef0938d7f4e143ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45bdd3be693e4d14b3343aa4382fd42.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】图1是我国著名的“赵爽弦图”,它是由四个全等的直角三角形所围成.将四个直角三角形的较短边(如
)向外延长1倍得到点
,
,
,
,并连结得到图2.已知正方形
与正方形
的面积分别为
和
,则图2中阴影部分的面积是( )
![](https://img.xkw.com/dksih/QBM/2020/4/28/2451288284233728/2454017992663040/STEM/b3429c18820d4cf6a7f7de111dcea4c2.png?resizew=294)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d609847e2ff3d64e5a514582c3ead0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168487ff53e9fb74f786a7e6e78823e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe25af0f2f324f0ca7e4b401af45da9.png)
![](https://img.xkw.com/dksih/QBM/2020/4/28/2451288284233728/2454017992663040/STEM/b3429c18820d4cf6a7f7de111dcea4c2.png?resizew=294)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
【推荐1】在边长为2的正方形
中,点E、F是对角线
上的两个动点,且始终保持
,连接
、
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1b23b3a7a3c8fcd4ada6f5d8955fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e1eef39e67d12bc34cbe99ef2284b9.png)
A.![]() | B.3 | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,在边长为1的正方形
中,E为
边上一点,连接
,将
沿
对折,A点恰好落在对角线
上的点F处.延长
,与
边交于点G,延长
,与
的延长线交于点H,则下列说法:①
为等腰直角三角形;②
≌
;③
;④
;⑤
.其中正确的说法有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c57b07f75e97d9f84718bd495ebcf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378f75f81c44553787e0fa2f8a28c794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441dec590b47adc3678a291a3ec89a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8936dd3a7c55774a437955293b6745e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3734a485ac3609c68601efcbb83457b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3704a2cb48ae0326ae6da1d5da0bb3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab6eae782f988900833a6a1815b7248.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
较难
(0.4)
解题方法
【推荐1】如图,在反比例函数
的图象上有一动点
,连接
并延长交图象的另一支于点
,在第二象限内有一点
,满足
,当点
运动时,点
始终在函数
的图象上运动,若
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/2020/5/2/2454045222076416/2455260439740416/STEM/ecb4df6b2ffd47558fd6589f80772d1c.png?resizew=195)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85410ff00c81839ff9a64bf86dc36f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7928177cc4665090ad876f78f685a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/2020/5/2/2454045222076416/2455260439740416/STEM/ecb4df6b2ffd47558fd6589f80772d1c.png?resizew=195)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,
为
的直径,D是半圆中点,弦
交
于点E.若
,
,则
的半径为( )
![](https://img.xkw.com/dksih/QBM/2022/8/11/3042070114172928/3351549135708160/STEM/bb453162a6ad4c07bcb5686574bb2183.png?resizew=179)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0761165f1176f3a5fe4f7b052832316d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a19338598965bb3856cdd0236bbf694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://img.xkw.com/dksih/QBM/2022/8/11/3042070114172928/3351549135708160/STEM/bb453162a6ad4c07bcb5686574bb2183.png?resizew=179)
A.2![]() | B.2![]() | C.2![]() | D.2![]() |
您最近一年使用:0次