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解题方法
1 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4817160a573c2d2c8244b461dc0f028b.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521eaeab4bb6572bd5d8fe8ec27851a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4817160a573c2d2c8244b461dc0f028b.png)
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解题方法
2 . 已知圆锥的侧面积为
,它的侧面展开图是圆心角为
的扇形,则此圆锥的体积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02dba908a505cff93e0b297d00b82a40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
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3 . 如图,
表示水平放置的
根据斜二测画法得到的直观图,
在
轴上,
在
轴上,
与
轴垂直,且
,则
的面积为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0d02d76af11a2b8bfb7d6e1b3c171f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b48e33eaa40d01f976230d4b73ae91dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33101c0ba719d80774cbcd6893bce713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6637859805b7b01f7a9a64771563406e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4d2174f411d9db6ab7b2aea47818cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33101c0ba719d80774cbcd6893bce713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05fb547f486e3723ea199d8083ccebec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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4 . 已知扇形的圆心角为2弧度,其弧长为8m,则该扇形的面积为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知
,
,若
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0999d0e0e9e22f106ef579843f87188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99204cc0147faef5556ac86e805ce74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03481e6a73207be03fdbc1f8e9965b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.2 | C.![]() | D.![]() |
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2024-05-29更新
|
344次组卷
|
2卷引用:广东省东莞市东莞中学2023-2024学年高一下学期第一次段考数学试题
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6 . 已知复平面内的点
,
分别对应的复数为
和
,则向量
对应的复数为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95423c449f5d44dd949bf3b0130946f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c7373e72f1f805897978da3bf4d3ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083a20abb668d4c26fe5039bd108b40a.png)
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7 . 将一实心铁球放入圆柱形容器中(厚度忽略不计),铁球恰好与圆柱的内壁相切,且铁球的最高点与圆柱上底面在同一平面内,则铁球的体积与圆柱形容器的体积之比为______ .
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2024-05-25更新
|
396次组卷
|
3卷引用:广东省汕头市潮阳一中明光学校2023-2024学年高一下学期5月月考数学试题
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8 . 在
中,
、
、
分别是角
、
、
的对边,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/22b7095df1220ba588dfdc89fbafe821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce2a8bf5e05a07c93a7104839fc21849.png)
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解题方法
9 . 已知
为两个不共线的非零向量,若
与
共线,则k的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40436543cc51f42b5b5d93e55a407ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06c8eae3652486cf9e416ce3a8ffc9.png)
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2024-05-20更新
|
874次组卷
|
2卷引用:广东省广州市增城中学2023-2024学年高一下学期期中数学试题
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10 . 已知
,则正整数
的最小值为( )(参考数据:取
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14cd968acb37b1cb977230ed012f2b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769563348a6488d1db86b5b4c7681644.png)
A.8 | B.9 | C.10 | D.11 |
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