如图,正方形
中,E为边
上一点,F是
延长线上的一点,且
,连接
交
于点G,交
于点H.
(1)求证:①
;②求
的度数;
(2)求证:
;
(3)若
,求
的长.
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ce1475f537b4ad21775bfaa16daa0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/2/b72b98fe-752a-422e-9f9c-afb5c24a62fd.jpg?resizew=191)
(1)求证:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/000318258fe38f95e227622e778b41fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c19410c7abeae002ca97cfad4c791f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b8e633207f16c9477bc02c82a1dc78.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4654eca7d94bbe41ae88b82c183a1285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
22-23九年级下·海南海口·阶段练习 查看更多[2]
更新时间:2023-06-26 09:26:10
|
相似题推荐
解答题-证明题
|
较难
(0.4)
【推荐1】已知:△ABC,△CDE中,∠ACB=∠DCE=90°,AC=BC=6,CD=CE=4,△CDE可以绕点C旋转,作直线AD、直线BE,当它们有交点时.设相交点为H.
![](https://img.xkw.com/dksih/QBM/2021/5/24/2728048306003968/2779476939776000/STEM/6144245a-aa58-4ed6-a824-bfcafa32b461.png)
(1)当△CDE转到图1位置时,求证:①AD=BE;②AD⊥BE;
(2)△CDE可以绕点C旋转的过程中,连接AE,BD.猜想AE2+BD2的值是否发生变化(直接写出结论,不用证明)?直接写出当BD=8时,AE的长;
(3)△CDE可以绕点C旋转的过程中,直接写出当∠CBD=30°时,AE2的值.
![](https://img.xkw.com/dksih/QBM/2021/5/24/2728048306003968/2779476939776000/STEM/6144245a-aa58-4ed6-a824-bfcafa32b461.png)
(1)当△CDE转到图1位置时,求证:①AD=BE;②AD⊥BE;
(2)△CDE可以绕点C旋转的过程中,连接AE,BD.猜想AE2+BD2的值是否发生变化(直接写出结论,不用证明)?直接写出当BD=8时,AE的长;
(3)△CDE可以绕点C旋转的过程中,直接写出当∠CBD=30°时,AE2的值.
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解答题-证明题
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较难
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【推荐2】在四边形
中,
,
,
,
、
分别是
,
上的点,且
,在探究图1中线段
,
,
之间的数量关系过程中.
(2)小亮同学认为:延长
到点
,使
,连接
,先证明
,再证明
,即可得出
,
,
之间的数量关系是 .
(3)如图3,在四边形
中,
,
,
、
分别是
,
上的点,且
,上述结论是否仍然成立?并证明;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eee296a7d9fba487f1485c61580196f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4b050ce92648882d7a0b4e02a03466.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9eb456c912e01458c19b06e83a5c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
(2)小亮同学认为:延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc180eda08edfb6d54eb04da7741f099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac09e961b25848c2860065aa8f577e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/382dcc8aa37ed16c588b41888c3906a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
(3)如图3,在四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e735a28578ba191da6d4f3b0f8e8729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173904239da66b7bef7cb1d997cc40ed.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6aef04eceb608a7a2cfc3e566f9e8b.png)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
【推荐1】如图,四边形
、
都是正方形.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/23/597ee6aa-6ebd-4c64-878f-0f6bf59d6029.png?resizew=571)
(1)如图1,若
,
,求
的长;
(2)如图2,正方形
绕点B逆时针旋转,使点G正好落在
上,求证:
;
(3)如图3,在(2)条件下,
,
,点M为直线
上一动点,连接
,过点
作
,垂足为点
,直接写出
的最小值为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10eec76d00779458ce81639d71c635d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/23/597ee6aa-6ebd-4c64-878f-0f6bf59d6029.png?resizew=571)
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca66d22da609a4a30e46b890b37e4676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
(2)如图2,正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10eec76d00779458ce81639d71c635d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06477e0c4b227f5da201c8841e68d57a.png)
(3)如图3,在(2)条件下,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798b8fa1ad525275b2dd9f4f8544a485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72f7d9f5e71bfef8188b1216c1276c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b5f53c4d3258438a12d9fc95de88ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5475f34557875c6e3e7f445fe91d61af.png)
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解答题-问答题
|
较难
(0.4)
【推荐2】问题提出
(1)如图①,在
中,点
在边
上,且
,过点
作
,交
于点
,若
,则
__________;
问题探究
(2)如图②,在矩形
中,点
、
分别在边
、
上,且
,过点
作
,交
于点
,连接
,交
于点
,若
,
,求
的最大值;
问题解决
(3)如图③,在正方形
中,点
、
、
、
分别在边
、
、
、
上,且
,
与
交于点
,且
,若
,
,
的面积是否存在最大值?若存在,请求出
的面积的最大值;若不存在,请说明理由.
(1)如图①,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17783aad94a89fca2d575c6495eb872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fc998d33cdf37c272f79cfd64b7b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404728d0ea2699c71e674f30dd984abd.png)
问题探究
(2)如图②,在矩形
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a336c9ad698d77e7183884523da8a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc087498b26dd984e36f16cfe3eb4bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
问题解决
(3)如图③,在正方形
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc087498b26dd984e36f16cfe3eb4bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7946299d2c7bccb8033c29aea0038ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b1927db96d84f27197b5a654b622f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d03f7247acc10493fc7cc1f551c4912d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd794a8c6c6c1351a5bb0783a0c40e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd794a8c6c6c1351a5bb0783a0c40e6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/25/aed6beb0-17c3-4ab2-ba08-be08e3c38f83.png?resizew=480)
您最近一年使用:0次
解答题-证明题
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较难
(0.4)
名校
【推荐1】已知:在
中,
,
,点E是
的中点,F是直线
上一点,连接
,将
沿着
折叠,点C的对应点为D,连接
.
(1)如图1,若点D在线段AB上,求证:
;
(2)如图2,
与
交于点M,连接
,若
,求证:点M是
的中点;
(3)如图3,点F在
延长线上,
与
交于点M,
交
于点N,若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6e4a2df58a236c20df5df0d29a466c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5518f8cfc242dd1f11bb84ee46cf377d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5a0a6e5b3f489a7032ea5116c96024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/25/d2735d36-8e99-446c-944d-6163b070795f.png?resizew=586)
(1)如图1,若点D在线段AB上,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d354155f71a1736c1c9186168695edd.png)
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2975167dad101afd38ef794751d08087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)如图3,点F在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab8d0bc2c07075ba049865339c6f8b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db491c0459bbb723b896e3ae1e1d4caa.png)
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解答题-证明题
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较难
(0.4)
解题方法
【推荐2】已知在菱形
中,
,
,点
是直线
上任意一点,连接
.在
内部作射线
与对角线
交于点
(与
、
不重合),且
,连接
.
(1)如图1,当点
在边
上时,如果
,求线段
的长;
(2)求证: △
是等腰三角形
(3)直线
与直线
交于点
,如果
与
相似,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(1)如图1,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2b5060e1311f27bcbde24dac84db8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
(2)求证: △
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4613db540c9cb6a9d7e963bf89c2a8.png)
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.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/abdc3bf8f58be61959205faac69fe6a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58acf6133acb1381086a3036ff68582e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://img.xkw.com/dksih/QBM/2021/12/31/2884292843847680/2885119868772352/STEM/e86b0adcbbfd4cd9a22992e0f678d50d.png?resizew=340)
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解答题-问答题
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较难
(0.4)
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【推荐3】如图,已知抛物线 y
x2 bxc经过△ ABC 的三个顶点,其中点 A(0,1),点 B(9,10),AC∥x 轴,点 P 是直线 AC 下方抛物线上的动点,过点 P 且与 y 轴平行的直线 l 与直线 AB、AC 分别交于点 E、F.
(1)求抛物线的函数表达式;
(2)如图 1,当四边形 AECP 的面积最大时,求点 P 的坐标和四边形 AECP 的最大面积;
(3)如图 2,当点 P 为抛物线的顶点时,在直线 AC 上是否存在点 Q,使得以 C,P,Q 为顶点的三角形与△ ABC 相似?若存在,请直接写出点 Q 的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb84f6fbac102ccf326b2223d69cb7cc.png)
(1)求抛物线的函数表达式;
(2)如图 1,当四边形 AECP 的面积最大时,求点 P 的坐标和四边形 AECP 的最大面积;
(3)如图 2,当点 P 为抛物线的顶点时,在直线 AC 上是否存在点 Q,使得以 C,P,Q 为顶点的三角形与△ ABC 相似?若存在,请直接写出点 Q 的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/2018/12/24/2103779180552192/2105861376057344/STEM/8ede8c81ad144457bf7204b503f76309.png?resizew=197)
您最近一年使用:0次