2020高二·浙江·专题练习
1 . 已知三棱柱
的6个顶点都在球
的球面上,
,
,
,
,则球
的半径为______ ,直三棱柱
的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eaba7d7d6f2f3d6d4a2fe85d3c427f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36c4559d27e3905980d1a4f1856f07de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
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2020高二·浙江·专题练习
解题方法
2 . 利用斜二测画法,作出直线
的直观图如图所示,若
,则直线
在平面直角坐标系中对应的函数表达式是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/355b8587-1608-49c9-ba2f-a076adb989f4.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffcb05f78db591c6b56930cbc8189863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/355b8587-1608-49c9-ba2f-a076adb989f4.png?resizew=159)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020高二·浙江·专题练习
3 . 两边长为1的正方形,
沿对角线
折起,使平面
平面
,则折起后
,
两点的距离为______ ;折起后的三棱锥
的体积为______ .
![](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/17580410bf63dba4fe164265afaac4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b5eeb5e4f3cce7895a30b3f2b23501.png)
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2020高二·浙江·专题练习
名校
4 . 若一个正三棱柱的三视图如图所示,则这个三棱柱的高是______ ;底面边长是______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/30/f5677701-b35b-43d0-bcda-1f24b2c3981d.png?resizew=200)
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2020高二·浙江·专题练习
5 . 已知一物体和它的三视图如图所示,其中错误的视图是
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/3f2a2b42-d372-4064-a79d-28db21e4218f.png?resizew=263)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/3f2a2b42-d372-4064-a79d-28db21e4218f.png?resizew=263)
A.主视图 | B.俯视图 | C.左视图 | D.无错误 |
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2020高二·浙江·专题练习
6 . 如图,圆锥
中,
,
为底面圆的两条直径,
,
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/ea3f9134-4c6e-48ac-82a5-0795f2658a13.png?resizew=202)
(1)求证:
平面
;
(2)求圆锥
的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38a5ed40e239098309bb3c9a5ad28489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58d1a74ef7cc8f1763727f00f60fce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4db9b82b67efe45a02fca32bfcf5dc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/ea3f9134-4c6e-48ac-82a5-0795f2658a13.png?resizew=202)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639cefa50d3a2b642740d3eebf3f83e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(2)求圆锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
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7 . 已知某平面图形的直观图是等腰梯形
(如图),其上底长为2,下底长4,底角为
,则此平面图形的面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d609847e2ff3d64e5a514582c3ead0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://img.xkw.com/dksih/QBM/2020/4/26/2449815019954176/2451186860163072/STEM/d767ca220271421a92be7caa20819408.png?resizew=189)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-04-28更新
|
128次组卷
|
2卷引用:浙江省嘉兴市第五高级中学2019-2020学年高二上学期期中数学试题
8 . 某几何体的三视图如图所示,则该几何体的体积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/99eb73c1-0f3b-4888-afb8-e055f2f07399.png?resizew=172)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/99eb73c1-0f3b-4888-afb8-e055f2f07399.png?resizew=172)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-01-04更新
|
361次组卷
|
5卷引用:【新东方】杭州高二数学试卷233
(已下线)【新东方】杭州高二数学试卷233(已下线)【新东方】杭州高二数学试卷242浙江省杭州市高级中学2019-2020学年高二上学期期中数学试题(已下线)【新东方】杭州新东方高中数学试卷338黑龙江省大庆实验中学2020-2021学年高二上学期开学考试数学试题
2020高二·浙江·专题练习
名校
9 . 已知正三棱柱
底面边长为2,高为2.求(1)此三棱柱的体积;(2)此三棱柱的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
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2020高二·浙江·专题练习
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10 . 如图正方形
边长为2.则它的水平放置的直观图(用斜二测画法) 的图形面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2020/1/4/2369918610038784/2369935601541122/STEM/d02e2a31b2554a38a6d239b54ba4d97b.png?resizew=344)
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2020-01-04更新
|
224次组卷
|
5卷引用:【新东方】杭州高二数学试卷245