在边长为1的正方形
中,点
为线段
上一动点,连接
.
作
于点
,交直线
于点
.以点
为直角顶点在正方形
的外部作等腰
,连接
.求证:
是等腰直角三角形;
(2)如图②,在(1)的条件下,记
分别交
于点
,连接
.
①试探究
之间的数量关系;
②设
,
中边
上的高为
,请用含
的代数式表示
.并求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb91cb9a5a14169845d700fbd95890ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/362a2d1b0c5d90ad19827049c31d65a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccdf364a0e37a15893a96bbe17a2e264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ded15467b6a0d3b56fd1cdf5a41a5122.png)
(2)如图②,在(1)的条件下,记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98addf4639134b18a8ffdb46436854e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
①试探究
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b4d9e95fcb01d403090a2a97699302.png)
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2d9d9adad09281ca67132bdce523fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5845d0b7ca6980eea65473c0de995de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
2024·广东东莞·二模 查看更多[1]
更新时间:2024-05-13 21:28:29
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解答题-问答题
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解题方法
【推荐1】如图,抛物线y=ax2+bx﹣3经过点A(1,﹣1),B(﹣3,3),把y=ax2+bx﹣3与线段AB围成的封闭图形记为G.
(1)求此抛物线的解析式;
(2)点P为图形G中抛物线上一点,且点P的横坐标为m,过点P作PQ∥y轴,交线段
于点
,当
为等腰直角三角形时,求m的值;
(3)点C为直线AB上一点,且点C的横坐标为n,以线段AC为边作正方形ACDE,且使正方体
与图形
在直线
的同侧,当D,E两点中只有一个点在图形G的内部(不含边界)时,求n的取值范围
(1)求此抛物线的解析式;
(2)点P为图形G中抛物线上一点,且点P的横坐标为m,过点P作PQ∥y轴,交线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
(3)点C为直线AB上一点,且点C的横坐标为n,以线段AC为边作正方形ACDE,且使正方体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9d54cbbf601f4583659771eb534997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2021/6/5/2736216720039936/2737075573809152/STEM/7190f283-6dfe-4cff-9d4e-e3c54ea2d801.png)
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【推荐2】如图,已知正比例函数和反比例函数的图象都经过点A(﹣3,﹣3).
(1)求正比例函数和反比例函数的表达式;
(2)把直线OA向上平移后与反比例函数的图象交于点B(﹣6,m),与x轴交于点C,求m的值和直线BC的表达式;
(3)在(2)的条件下,直线BC与y轴交于点D,求以点A,B,D为顶点的三角形的面积;
(4)在(3)的条件下,点A,B,D在二次函数的图象上,试判断该二次函数在第三象限内的图象上是否存在一点E,使四边形OECD的面积S1与四边形OABD的面积S满足:S1=
S?若存在,求点E的坐标;若不存在,请说明理由.
(1)求正比例函数和反比例函数的表达式;
(2)把直线OA向上平移后与反比例函数的图象交于点B(﹣6,m),与x轴交于点C,求m的值和直线BC的表达式;
(3)在(2)的条件下,直线BC与y轴交于点D,求以点A,B,D为顶点的三角形的面积;
(4)在(3)的条件下,点A,B,D在二次函数的图象上,试判断该二次函数在第三象限内的图象上是否存在一点E,使四边形OECD的面积S1与四边形OABD的面积S满足:S1=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/139e201f2295ed34d96183f7c467580f.png)
![](https://img.xkw.com/dksih/QBM/2018/9/4/2024977607229440/2025901042057216/STEM/bb79bad075d649a6bc1a4d3a5e87a076.png?resizew=164)
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【推荐3】如图1,抛物线
与x轴正半轴交于点A,B,与y轴正半轴交于点C,且
,点D为抛物线的顶点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/b83baef5-e90f-4d0e-8d51-921181b8d153.png?resizew=340)
(1)求该抛物线的函数表达式;
(2)点P为直线BC下方该抛物线上任意一点,点E为直线BC与该抛物线对称轴的交点,求
面积的最大及此时点P的坐标;
(3)如图2,将该抛物线沿x轴正方向平移2个单位长度,再沿y轴负方向平移2个单位长度后得到新抛物线
,新抛物线的顶点为
,点P为(2)问中使得
面积为最大时的点,M为新抛物线上一动点,在新抛物线对称轴上找一点N,使得以点P,
,M,N为顶点的四边形是平行四边形,写出所有符合条件的点N的坐标;并写出求解点N的坐标的其中一种情况的过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16403fc9b29d6d8e814318ee24a9dc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e29301efc536b0b6498e65c7d9b811.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/b83baef5-e90f-4d0e-8d51-921181b8d153.png?resizew=340)
(1)求该抛物线的函数表达式;
(2)点P为直线BC下方该抛物线上任意一点,点E为直线BC与该抛物线对称轴的交点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6accdd9b317c922d335e44911df357.png)
(3)如图2,将该抛物线沿x轴正方向平移2个单位长度,再沿y轴负方向平移2个单位长度后得到新抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4d2174f411d9db6ab7b2aea47818cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6accdd9b317c922d335e44911df357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
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【推荐1】如图,已知抛物线
与x轴交于点
,
两点,与y轴交于点C,点P是直线BC下方抛物线上一动点,过点P作直线
轴,交直线BC于点D,交x轴于点F,以PD为斜边,在PD的右侧作等腰直角
.
![](https://img.xkw.com/dksih/QBM/2022/5/26/2987865474416640/2989132354707456/STEM/49c19aac-8a3a-4989-b11c-169051bda8b6.png?resizew=354)
(1)求抛物线的表达式,并直接写出直线BC的表达式;
(2)设点P的横坐标为m(
),在点P运动的过程中,当等腰直角
的面积为9时,请求出m的值;
(3)连接AC,该抛物线上是否存在一点M,使
,若存在,请直接写出所有符合条件的点M的坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/818ccf8040f189fff5665ec93892b2ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd58ef950ddec3eb3ebf8e64f6228ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7f1cf1911c8cd96e6dca4275b2443c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95558cdc4ce1e6d9462d2e91c070655f.png)
![](https://img.xkw.com/dksih/QBM/2022/5/26/2987865474416640/2989132354707456/STEM/49c19aac-8a3a-4989-b11c-169051bda8b6.png?resizew=354)
(1)求抛物线的表达式,并直接写出直线BC的表达式;
(2)设点P的横坐标为m(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1464ddc459a7d19e2ff4e322c171e123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95558cdc4ce1e6d9462d2e91c070655f.png)
(3)连接AC,该抛物线上是否存在一点M,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/295fb5e2b80b22a4253df17c8428cdab.png)
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【推荐2】已知,
,点A在边
上,点P是边
上一动点,将线段
绕点A逆时针旋转
,得到线段
,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/27/d1a256de-c58e-492f-bbdd-3a0d0843addd.png?resizew=648)
(1)如图1,当
时,试判断
与
的位置关系: ;
(2)如图2,当
,
时,求线段
的长度;
(3)如图3,将线段
绕点O顺时针旋转
,得到线段
,连接
, 请证明
;
(4)如图4,当
时,在(3)的条件下,作
于点H.当点P在射线
上运动时,用等式表示线段
与
之间的数量关系,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a563c50a7f6d10fa46339d7107fc85e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af8d4d2fffe0a8471bc44b9d8c9c99e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/27/d1a256de-c58e-492f-bbdd-3a0d0843addd.png?resizew=648)
(1)如图1,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31f020e8d2c57bdde7cd0d5a2b771a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
(2)如图2,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d8b904f1e6c9dfa8af6b4735349f65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774f83067ed956a551bc41adcce0469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
(3)如图3,将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6476880c8c4a6a9c1883d6fbb42cd33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/546a5e9010a138e9649bae0eaa947cb7.png)
(4)如图4,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc72c9ea9349b7d49240dd941ae2f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7814351b431cb36574efedbca6a6aefc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6655e2fa64a32cd12fe0279afd65d73.png)
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【推荐1】某数学活动小组在一次活动中,对一个数学问题作如下探究:
【问题发现】
(1)如图1,正方形ABCD的四个顶点在⊙O上,点E在弧AB上,连结AE、BE、DE.若在DE上截取一点F,使得DF=BE:连结AF,发现△ADF与△ABE全等,请说明理由.
![](https://img.xkw.com/dksih/QBM/2021/12/2/2863899512111104/2864415154651136/STEM/9114c1c1-41ce-40bf-983b-729f5a319600.png?resizew=545)
【变式探究】
(2)如图2,正方形ABCD的四个顶点在⊙O上,若点E在弧AD上,过点A作AG⊥BE,探究线段BE、DE、AG之间是否满足BE﹣DE=2AG的关系,请说明理由.
【结论运用】
(3)如图3,在正方形ABCD中,AB=2
,若一点P满足PD=2,并且∠BPD=90°,请直接写出点A到BP的距离.
【问题发现】
(1)如图1,正方形ABCD的四个顶点在⊙O上,点E在弧AB上,连结AE、BE、DE.若在DE上截取一点F,使得DF=BE:连结AF,发现△ADF与△ABE全等,请说明理由.
![](https://img.xkw.com/dksih/QBM/2021/12/2/2863899512111104/2864415154651136/STEM/9114c1c1-41ce-40bf-983b-729f5a319600.png?resizew=545)
【变式探究】
(2)如图2,正方形ABCD的四个顶点在⊙O上,若点E在弧AD上,过点A作AG⊥BE,探究线段BE、DE、AG之间是否满足BE﹣DE=2AG的关系,请说明理由.
【结论运用】
(3)如图3,在正方形ABCD中,AB=2
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
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【推荐2】(1)如图1,在正方形
中,E为
边上一动点(点E,B不重合),
是等腰直角三角形,
,连接
,求出
的大小.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/71fffd41-8fb9-4041-be37-caa8408e43ab.png?resizew=193)
(2)如图2,正方形
的边长为2,
,在
下方以
为斜边作等腰直角
,求
的最大值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/1eed21e1-1fed-4eab-b6d8-8a6556972100.png?resizew=178)
(3)如图3,在正方形
中,E为
边上一动点(点E,B不重合),
是等腰直角三角形,
,连接
,知道正方形的边长时,可以求出
周长的最小值.当
时,请你求出
周长的最小值.
![](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/099dd87a526391f830ac2a11e7d7ad56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b78356dbceb326e1b1561e0a15d8ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf7cc67acfa50ef6b21d9aa379e604a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/71fffd41-8fb9-4041-be37-caa8408e43ab.png?resizew=193)
(2)如图2,正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5564681937f41e1489d69b20a71f9222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12225a1a1eda07908309f8100cc34726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/1eed21e1-1fed-4eab-b6d8-8a6556972100.png?resizew=178)
(3)如图3,在正方形
![](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/099dd87a526391f830ac2a11e7d7ad56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b78356dbceb326e1b1561e0a15d8ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da7bcea5a45eeae211f5851f12a7517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da7bcea5a45eeae211f5851f12a7517.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/53940653-696f-4708-aeea-1540538ba1f4.png?resizew=200)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
【推荐1】如图,
为
的直径, 弦
,
是
延长线上一点,
.
是
的切线;
(2)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2a50a5066f611fc5b2a70c7749cef8.png)
![](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/16aad38b43462ca7a8fb9bc9484ad3a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679fe2a7453b779ea195c108cf8499e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2a50a5066f611fc5b2a70c7749cef8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05250abe6da85eb0b555948d7dbaf317.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】数学课上,王老师提出问题:如图
,已知
中,
是
边上中线,
.探究边
和
的数量关系;同学们以小组为单位,在经历独立思考、小组讨论、汇报展示后,归纳得到以下
种不同的方法.
方法
(倍延中线):如图
,延长
至点
,使
,连接
.利用全等和等腰三角形的判定证出
;
方法
(利用角平分线性质):如图
,过点
分别作
于点
,
于点
,利用角平分线性质和全等证出
;
方法
(平移):如图
,将
沿射线
方向平移得到
,连接
,设
与
交于点
,利用全等或相似证出
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/21/0d82a4bf-a17a-4864-b1a3-2dc3242027cd.jpg?resizew=425)
(1)特例感知:请完成方法
(图
)的探究过程;
(2)思维迁移:
如图
,已知
中,
是
边上的两点,且
,连接
,
.猜想边
和
的数量关系并说明理由;
(3)拓展应用:
如图
,已知点
是
内一点,连接
,
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/3ba77f66ecad8eb4a7a63f169f28a3b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
方法
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad98ad714864041a632ca949308e417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
方法
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761a77e11e1e45c2a8b2d34d22cf8e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
方法
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f850c705372b8a85489505da53239fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/21/0d82a4bf-a17a-4864-b1a3-2dc3242027cd.jpg?resizew=425)
(1)特例感知:请完成方法
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
(2)思维迁移:
如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3648c864f9f58da1dbb166fee84cfeaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421291381be28da4bd16560fd383b4a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7743ddf60514a7b1115dbf6ea011b70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5cc2450dc300ce26b513c2abae28cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(3)拓展应用:
如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd6e75d1cecef29cbf097e6cc7e6ac7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de077fb1110e4fa174d89533b71fb278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c573bd9bc3bdd1f70d7a731a6efbbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c562f35d37deaa855e69d6616a6dc801.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/21/64623fd0-db00-405b-bc22-5d46f3a556ed.jpg?resizew=302)
您最近一年使用:0次