二边体图片
![一,正方体简单画法](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E833711A0DA90D1BC20303CA3E9C35C7D92155045A1B61DCFB0BD36173C12F16ABA9D764C0EA05A6AF022E6B7CE6664E9D5A1EA26A3ADBBFF4A077A52A983C5515B7C06F1E58E458FA8E75CA4C6AA901A79)
一,正方体简单画法
图片尺寸450x317![几何体的名称是,它有个面组成,它有个顶点组成,经过每个顶点有条边](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E835BBED028C139E83269E809E0A68E057667200B3810A25B41B7618436B61B7F7F0007B3038FEF529B9D8E2B6E8AA3FB741CA8760DA5227D233EC3E4D75E7A387A1A9B5653B33E80E139E872A91B9C82FF)
几何体的名称是,它有个面组成,它有个顶点组成,经过每个顶点有条边
图片尺寸199x248![2,计算右 边立体图形 的体积. 8厘米 5厘米 4厘米](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73AF62D2D7829CE8EABBBBBCBD80102CECDAF017F2746F74B772BDDC0A5014284DF8A16C7BA3814FBFA86C5810EE0F23D54B017809B2CD55B820AB4672FDDCA7E9380EA714C1CECDF9A073D4F56370CB73)
2,计算右 边立体图形 的体积. 8厘米 5厘米 4厘米
图片尺寸1080x810![这两条边加起来为10.这两个立方体的体积之和(x3和y3)是370.](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E96BA4F69E2DF2BE4106268953765A17E997814CBD02A13AC1D766F7C598BEB26A87041260AC44C00216A545AA3F6071226E683B1978D5D5002322D0ACB4D6493E111D272B787A879520D5F72CBEB50710)
这两条边加起来为10.这两个立方体的体积之和(x3和y3)是370.
图片尺寸700x394![(2020高二上·武汉期中) 如图,在边长为1的正方体abcd](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E834BA7D1A85346804D6097854AD7D1FDF6555C09A5CD05C06B6ED0DF531BD0ABFFDCA588DAE3E90BC9BA2A7C702931CE5ACA3600D84E769796E1EC944426CCA3BD056FAF175B7B27204C45CC025034A08D)
(2020高二上·武汉期中) 如图,在边长为1的正方体abcd
图片尺寸252x251![空间几何体的结构及其三视图和直观图(教案)](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A731DD754D9BAB73099E9064E2ECA594995F61DFC339AA145D7BC91A99730FD32BC6B7955D6AA947643ADAE9409A87B3D842010BCEB81F6C2709E75B84C55C991B9A9FD96A0C419283362225FE1144EEFEA)
空间几何体的结构及其三视图和直观图(教案)
图片尺寸521x584![其余各面都是四边形的几何体叫棱柱b.棱台的各侧棱不一定相交于一点c.](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73C5B5A9150DB559D723892D4E138EC9D5DE764A397F80460CF834D9246D021D9DF84F8230B2C41D02DD8F246662359CDE6D33EA8782AA155F5FDB9B27214D6A36B3491E2F54C512B3DF95D920CA833644)
其余各面都是四边形的几何体叫棱柱b.棱台的各侧棱不一定相交于一点c.
图片尺寸494x286![注意:①,正方体只有六个面,所以截面最多有六条边,即截面边数最多的](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9DF12EBDCE30B190D890FC35C0D3E1EF86E71FA7FCF303BC20E693BD409A6E7C66A6DE650529C92180E021AC2FCC7D109B092DF9DDF13AE6928262F90CEEE3EE432611925734BF4ABE849246248540E3E)
注意:①,正方体只有六个面,所以截面最多有六条边,即截面边数最多的
图片尺寸410x295![长方体有几条棱.哪些棱长度相等](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9D496AFFE6D20F96F6A992C31584476BB02C9CF3C5F912BE1D3B3E71C93D0A9413CBA90663792919C14E39C63EBE5214439776B5F28479B73564D3A6308BFD3EC4EC8771EE5BBA5AB8AF9ABD985A55136)
长方体有几条棱.哪些棱长度相等
图片尺寸499x278![如图,正立方体边长为2,沿每边的中点将每个角都切下去,则所得到的几何](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A739115F9CD4D9D09C44C831851F27B5B9D87F5911F6AF4B452213A487762D55868A2ADCD128E98672C1AA74C05444864F88B7E39A4A4A11C8D7FBEC16CC20EF3512C4DECF2000675433235B4B1B68387C6)
如图,正立方体边长为2,沿每边的中点将每个角都切下去,则所得到的几何
图片尺寸276x267![如不需要可以剪去 4由于制得的正方体每边边长均为一分米即体积得到](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E944BEC5507396CE24C1DAC15B1F319F3CA773536441C6574FB6159165F95180D707B36BF1A10B0D42BD9279D7B8BA9A24D9FE645AB445ABA5C63B412593AEBC6E9024FDDB33460397D0ED840ED725B291)
如不需要可以剪去 4由于制得的正方体每边边长均为一分米即体积得到
图片尺寸307x425!["正四面体","正方体"与"球"](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73ADAE307C938AB09EF2F110C9AA372C92CEEFB7535E86E043DAE2AB5D6D5BD78F3E9D409CBA4AA9F159824057F39367977FB2418B6B65F44593882830FFCCB52E071802A9D3EFF41D0D7E8803FB9044D6)
"正四面体","正方体"与"球"
图片尺寸287x275![2,将一个直角三角形绕它的最长边(斜边)旋转一周,得到的几何体是( ).](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E950E546408FE3A4066B85EEB8C7D4C416448BEC7EC8DC3723DA7087B86B6C8567D93B1D67D96172E76FECFA8BDECF79ABB6B008B83403AD5449371F5320DC80498578D0DA1C3F360B72908BF91842AA59)
2,将一个直角三角形绕它的最长边(斜边)旋转一周,得到的几何体是( ).
图片尺寸583x158![将一个正方体(图1)剪开可以展成一些不同的平面图形(图2).](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73E57EA5B6355C170D6429DBCEFE3132837612DFFAFA76A3CAABF62F02D604E831D755DBFE959BBD60AB41F3CC168DA778F2E3C9316323A6A476129221B044259CD107A298067C646159B026B55A862DC6)
将一个正方体(图1)剪开可以展成一些不同的平面图形(图2).
图片尺寸285x281![只是正十二面体更加复杂,因为它是由十二个正五边形组成,不过这里要从](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E931D8CCE480D65146208D571F10FDC4C81D04AE3DB772A98E935B56D698BB304BDD764AC34727FDCE56A2AE45C35D8A643BF3FCAA4AA9096317F6477D893E3E41CD31654A5BE927F917662022D46191EA)
只是正十二面体更加复杂,因为它是由十二个正五边形组成,不过这里要从
图片尺寸369x379![并且每相邻两个四边形的公共边都互相平行,由这些面所围成的多面体](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9FC864F2BB05FF55AC1BCB399568492ED77237971D5731C4CD69C8173E0B04252E721D865341BCC72468A82EC6884A7D7E61F4E50F13D8B52CEA5F71B669B21CF6C91D1D450011B5E496C1009414CA62A)
并且每相邻两个四边形的公共边都互相平行,由这些面所围成的多面体
图片尺寸391x209![为什么这个图形不满足每相邻两个侧面的公共边互相平行.](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E831F8ACC8A5A9A0B077C845F8EDCAA957CE298549E11147D9FBAD1A14FAFBF337E6C3D464F565938CA2F75FF876C83298B18A4F7A6F1221118A6403F18D83819B3F2C3BFEC13729523882F39A78FBADB98)
为什么这个图形不满足每相邻两个侧面的公共边互相平行.
图片尺寸425x348![2018年高中数学第1章立体几何初步112圆柱圆锥圆台和球课件6苏教版](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E95F835D751F40922F2806EB94F942C832EAB343A2765A0A36BCB47DBB266BEC0DAE10FBB931DFDE81CA15BCAC1AC9C58728C8C3A181E0E6DF3F89E1D768A3432D00481E30052179DB423393AB0A145418)
2018年高中数学第1章立体几何初步112圆柱圆锥圆台和球课件6苏教版
图片尺寸720x540![a.以直角三角形的一直角边为轴旋转所得的旋转体是圆锥](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83D00DD880DAACB64F5544C2A2A1A8165600A6792FEF35BD713A6E6541FABB3D15793E59C6C571D536841176FA32B2529FF96B5D6EFE519ECF2381AA61A8DA4B2FB6917DE2B823EED22DA2240FE499C003)
a.以直角三角形的一直角边为轴旋转所得的旋转体是圆锥
图片尺寸521x304![1.2点,线,面,体(含答案)](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83FB5CD31EE94414AC4F511D6091394B73FD85C74A275CE579651AA9B162FA1D21E1537BCC7CF6BEE10E8B5752C614E5F82B39DEDC2D97F084F8245337684098765401728DFFEC1A4438A8B0C0B5D68ED6)
1.2点,线,面,体(含答案)
图片尺寸1747x559