如图,四边形
是
的内接四边形,
是
的直径,
,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/18/44b39e66-740c-4c69-972e-43ff229267b5.png?resizew=124)
(1)
______°,
______°;
(2)若
,
,求图中阴影部分的面积(结果保留
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.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/282836891c171f38f62306a52106fd32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/18/44b39e66-740c-4c69-972e-43ff229267b5.png?resizew=124)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db90c0feb35aa54464f1303be9118f37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee56718fa24de61ba70fe99f7d8c482.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361bd07cf0aa13b95a8c8cc50da5695d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
更新时间:2024-02-19 13:09:45
|
相似题推荐
解答题-作图题
|
适中
(0.65)
名校
【推荐2】如图,菱形ABCD中,∠B=60°,AB=10,AC为对角线,P是边BC延长线上一点,连接AP.
![](https://img.xkw.com/dksih/QBM/2022/3/6/2930307808862208/2938099016802304/STEM/c9a9175e-a1c3-4415-8d43-3b2eba2504de.png?resizew=246)
(1)在线段AP上求作点M,使得∠AMC=120°(要求:尺规作图,保留痕迹,不写作法);
(2)在(1)的作图条件下,当AP=25时,求线段AM的长度.
![](https://img.xkw.com/dksih/QBM/2022/3/6/2930307808862208/2938099016802304/STEM/c9a9175e-a1c3-4415-8d43-3b2eba2504de.png?resizew=246)
(1)在线段AP上求作点M,使得∠AMC=120°(要求:尺规作图,保留痕迹,不写作法);
(2)在(1)的作图条件下,当AP=25时,求线段AM的长度.
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解答题-问答题
|
适中
(0.65)
【推荐1】如图,
是
的直径,弦
于点C,过点F作
的切线交
的延长线于点D.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/abfd9ad7-3f56-44c4-99dd-5d9d32209984.jpg?resizew=202)
(1)已知
,求
的大小;
(2)取
的中点M,连接
,请补全图形;若
求
的半径.
![](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/ab00e0cff0876c4183a47f1272cf9928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/abfd9ad7-3f56-44c4-99dd-5d9d32209984.jpg?resizew=202)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3018c687427b6257767eda4a8c6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c543c3ddc3723fde6bbfca3ea3b921b.png)
(2)取
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bb6dcf6d49b36a44cb24586f7e68e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
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解答题-证明题
|
适中
(0.65)
名校
【推荐2】如图,
为
的直径,点C是弧
的中点,过点C作射线
垂线,垂足为E.
是
的切线;
(2)若
,求
的长.
![](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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6133a6e1d8d667778cf78b0ed8d89a39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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解答题-证明题
|
适中
(0.65)
【推荐1】如图,
内接于
,
平分
,交
于点
,连接
,过点D作
,交
延长线于点E.
;
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.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/d7e545f31f7cc57a31843f5adfd02941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105068b25f5a63af32f4082cfe08691e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd95dc30c0344788b94289c464a3158e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fe94ebf2bafcfe1e9abba6403ab4a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】如图,四边形
内接于
,
,点E在
的延长线上,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/9/3ed526de-7dde-4199-b6c9-707cad496703.png?resizew=154)
(1)求证:
是
的切线;
(2)若
,
,求
的半径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b858a46595a6568a483566ba2d75fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e6cad1494905678d2c12c98224783f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/9/3ed526de-7dde-4199-b6c9-707cad496703.png?resizew=154)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5b3967aa677f18e92912d2397f4907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在Rt△ABC中,∠C=90°,AD平分∠BAC交BC于点D,点O在AB上,以点O为圆心,OA为半径的圆恰好经过点D,分别交AC, AB于点E, F.
(1)试判断直线BC与⊙O的位置关系,并说明理由;
(2)若BD=
,AB=12,求阴影部分的面积(结果保留π).
(1)试判断直线BC与⊙O的位置关系,并说明理由;
(2)若BD=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/11/9ecc45d2-e35f-4904-9d2b-8f7b1c63ca9c.jpg?resizew=159)
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解答题-问答题
|
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(0.65)
名校
【推荐2】如图,O为半圆的圆心,直径
,
于点D,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/7f92712f-9f02-491e-8528-95f96c6bfa2d.png?resizew=197)
(1)求弧
的长;
(2)求图中阴影部分的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11c1db76cc7e1894f74a50d71736455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78691dacfa00dd2448b1ba94b264ec8b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/7f92712f-9f02-491e-8528-95f96c6bfa2d.png?resizew=197)
(1)求弧
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)求图中阴影部分的面积.
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