圆内接正七边形的画法
![设a1a2a3.a7是圆内接正七边形,求证:1/(a1a2)等于1/(a1a3) 1/(a1a4)](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7376011D576C039EFF371AB45ABB642545396029EA5CA8E33D12D720A56760A334FF04D594E61694B94CAFBDC5D979EA842DC29428831DAAA1C54149E3DE8202D7B7C36F45781E813C39EC571F38C6F406)
设a1a2a3.a7是圆内接正七边形,求证:1/(a1a2)等于1/(a1a3) 1/(a1a4)
图片尺寸337x332![tikz绘图示例——尺规作图: 圆内接正七边形的近似画法](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E836C0517AC8FD3E26F265D473D487FEDE2DC8229E325921475E332FBC39704B555F9767F34531AF9953829C1AB3F14F067239DD0F3C11D0C1D8EBA284F1611EBA55EC80E351FAE4B11959BCCF6A2A5C5BB)
tikz绘图示例——尺规作图: 圆内接正七边形的近似画法
图片尺寸1208x1178![求正七边形外接圆"圆心到边长的距离"以及延长(每对)"隔着两条边的"两](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9FE911110B89B3FB3F7301DCE1529DA89B34C8EBA6D9CAA5E5856DDDA081BC217EB8F5989328D45F7E499F45A269B77E75C8F2113265A8DB894473765B304130B0462D26501CAAD2B17E23E64C4B6CC80)
求正七边形外接圆"圆心到边长的距离"以及延长(每对)"隔着两条边的"两
图片尺寸450x440![教你利用几何画板画圆内接正七边形](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A732C1B7AF41B58617FC70348BD670383CAC121B25EEDD4E548BF2CB7E0EF827F11A8380571069003DE7701CE0518797F20F223EF6316F1D150D3ABA484380F20BAB242366DBD2D2DBF8EE1C04E5E221521)
教你利用几何画板画圆内接正七边形
图片尺寸495x346![作圆内接正多边形 (以圆内接正七边形为例) a 1 2 3 4 b g 3](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E968A7D41E6EFEC5067FEEF5BE7F102E6F7891A6D557887B1E3C6E29D968D64A7902356C2790121D5EB8B3617D2E6D1CB5BADC44B5FFF0F39CEE1C9CAAE69F76FF74D24AE5ADC613B2D0FEE2DDAB8AA7F9)
作圆内接正多边形 (以圆内接正七边形为例) a 1 2 3 4 b g 3
图片尺寸1080x810![tikz绘图示例尺规作图圆内接任意正边形的近似画法以正七边形为例](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73F52EACDE06D804A1D55D51572338131615A4BF8F1F1CF7BCBB373A7083733F7DACA189A3C52449E0B7CB25130F4C08D56C5BE85E838DB34B338EE7ABD5E2ECD5677A7AC84BB32A142A5174D89F56FF42)
tikz绘图示例尺规作图圆内接任意正边形的近似画法以正七边形为例
图片尺寸800x536![tikz绘图示例——尺规作图: 圆内接任意正边形的近似画法(以正七边形](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E903614C38713959991CC805214BC07C86A0EEA2CA12DDE3C2759B7268CB29E4C66BEECAB406CC35898682A58DA97FF9F3845AD7860664A25E0F3554F2546CB3085E2B2D7372AC8178ED3FBA85EEA74BF3)
tikz绘图示例——尺规作图: 圆内接任意正边形的近似画法(以正七边形
图片尺寸586x648![如图,在⊙o的内接七边形abcdefg中,各内角的度数相等,这个七边形是正](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83D7A51C0B77E3F48BD11ADFBDADAD081D97ECC42BA36000F3C89D0DF4CA598E6091E633798E4FF22BADB193795794F99DA467E073D8970B602CAC4828B88C2257BB0935BC1A2A4ABF2A7DB98184A442D3)
如图,在⊙o的内接七边形abcdefg中,各内角的度数相等,这个七边形是正
图片尺寸341x290![设a1a2a3a4a5a6a7是圆内接正七边形,求证:1/a1a2=1/a1a3 1/a1a4 .](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A737612E689127E16FC8233766BE4ACB77043ECB691822C3CB4A33DBAAC76B77142239FC15C99D3097173B7E92FF0E5D2C67A1A4A35C3E6D89640DB078BB4A06CEDA488A9E9E94CEE3988C8B79C30693054)
设a1a2a3a4a5a6a7是圆内接正七边形,求证:1/a1a2=1/a1a3 1/a1a4 .
图片尺寸460x450![利用几何画板画圆内接正七边形](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83D8C0F62F30089FF1A6D3D0D4A18E07C59D182C20CE51EAD961C44F94440DACC469CA238594ACC0164395C1E018251009C3E533EE2FD0C7684EE0175E565582FE3B5D546C1768C37B41228458F7A0D053)
利用几何画板画圆内接正七边形
图片尺寸484x346![在直径2800的圆里找最大的7边形,求答案公式](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7309B68275B3A8EC874E6A784BA2CA2C27E48574EDB3381BA999CF839447A761895B089E72E79A2BB4B6EE4FF2F21CB9AFFE25F8409A261F2F9A40DE8491F7AF093E712711C6E3887339F6EEE91A9B6877)
在直径2800的圆里找最大的7边形,求答案公式
图片尺寸1351x718![正七边形,用比最长对角线一半的半径,在七个角上做圆.](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83EDE3FED6501183FA0135008CD58168C3F56FD8EB86E37CB5C86AE6DB3F3738E1FF661DA50A03429D26C941A120F20B1665D7D777487D621E0F027D3DD6BBCF2C44CC40C43C7B57E1CE770CA76CDCDD7D)
正七边形,用比最长对角线一半的半径,在七个角上做圆.
图片尺寸352x346![请你证明各内角都是相等的圆内七边形abcdefg是正七边形](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73EEEE99209BB2293DA147E59BCD580FCC2093FB9C17572547A2E2A4B84D64821C56C8358E6A66D96C57C8E39F90F6D4991BFFCE2CEC90837AA647FF3375B1D97DB08D1C61380C82657F363ADD95A2749A)
请你证明各内角都是相等的圆内七边形abcdefg是正七边形
图片尺寸305x273![2017年秋(北师大版)九年级数学下册(河南)检测:3.8 圆内接正多边形](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9BF21E8DDB8AB53FBF8CED595069FE1C3616E27FADB77B0ED512861EC0B92FC3B85273E071736BB5FA2AABDB87D601E90F4DC3362BAD15B4252D5F80B0CEA37AF0439D066C471FD2CBC83D5719365DC84)
2017年秋(北师大版)九年级数学下册(河南)检测:3.8 圆内接正多边形
图片尺寸626x667![ppt为你保留痕迹画图 1-3-2-3.用作图法作圆的内接正七边形.](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83A238341F1C5315D862256CC4ED7EBEEC4E41544B2C8817972404EBA83543D1F5C9110A87CF50BA39AAD06BA7F4434108B83505CF62EA053C1BEF0DFC6E3085D5CEB8A353F99E34CF58C979474AA776F4)
ppt为你保留痕迹画图 1-3-2-3.用作图法作圆的内接正七边形.
图片尺寸1080x810![边长为6的正七边形外接圆与内切圆围成的环形面积是](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E94A34A41041BE2DE3543ADC3466345E5810CF19A21D5F154CA7612474C39EE26CA9B44B261C6A9A3CE8601EFF60BC75B0C88102BFCABB453994EB0B004107313DADF364819755C42CF6B294A395C8D824)
边长为6的正七边形外接圆与内切圆围成的环形面积是
图片尺寸339x314![怎么画正七边形,用三角尺和圆规,要图片](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73FA5A238472EE6131D991E6965B33FE202114EF24D005F539B0E35A79D710BF59577F9FC77682CA27C1F6EF4A15900C377D722E54AFD667E45BA8A5646ADF633212C6F49A5B5496C3DA52A9CDD3F23BCF)
怎么画正七边形,用三角尺和圆规,要图片
图片尺寸359x260![正三角形abc的边长为厘米.⊙o的半径为厘米.当圆心o从点a出发.](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73B7AAB4D710E5ACAC941485ACFCC29F4CA5F8F6F66ADBFE4F930B312087821D569D0E5C8FA19FBDD98DD463DC6DF002444B104C4F4EBE32758BFBF3CC50DF4EDB670B27476468B92C05D0386B6E5CA201)
正三角形abc的边长为厘米.⊙o的半径为厘米.当圆心o从点a出发.
图片尺寸315x183![圆内正多边形的画法](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73D89568F9BC127CF06DCDE47AFFA9C4C50A5865A28FE2269418D75FAA1EAEDBDD4E66508C1125F1C97970033A9AA0FE95563D0B8489AA8CD771D2CA64481EF6CC56C83BDE626B873DBC720752D9AB519A)
圆内正多边形的画法
图片尺寸500x331![如何求圆内内接三角形(正三角形等)边长?](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73FF659D24727D0C304425483147D6A32A0096CEC6F1247021DA1EAD60D72F85ECCC352B1356476EFC33D9920216DFCDDD7E3AC5F6F2561D6180ED8C99276A1D82523D4606C9FA72B3EE13D401683BBEDC)
如何求圆内内接三角形(正三角形等)边长?
图片尺寸259x248