为什么a4纸的长宽比是√2，而不是21�？因为例用了数学，创造了完美的造纸系统 知乎 Sketch Coloring Page

为什么a4纸的长宽比是√2，而不是21�？因为例用了数学，创造了完美的造纸系统 知乎 Template

Background image: Hide Show

View Larger Image Image Credit: zhihu.com

please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #673 Peachy mouse

Rachel Roe
sketch #673 Peachy mouse

sketch #3285 Spongebob by Abbie Hayman

anonymous

anonymous
sketch #3285 Spongebob by Abbie Hayman

sketch #2939 Eye by Kimmy Kitty Perry Priemus

anonymous

anonymous
sketch #2939 Eye by Kimmy Kitty Perry Priemus

sketch #2740 Monster by Gabriela Segura

Gabriela Segura
sketch #2740 Monster by Gabriela Segura

sketch #4546 Misaki Mei by Wanis Khelifa

anonymous

anonymous
sketch #4546 Misaki Mei by Wanis Khelifa

sketch #5313 Katy Perry by Monalisa Theresia

anonymous

anonymous
sketch #5313 Katy Perry by Monalisa Theresia

sketch #5164

anonymous

anonymous
sketch #5164

sketch #3280 Adventure Time by Alina Danielle

anonymous

anonymous
sketch #3280 Adventure Time by Alina Danielle

sketch #2646 Buzzy bee on flowers

Rachel Roe
sketch #2646 Buzzy bee on flowers

sketch #1453

anonymous

anonymous
sketch #1453

sketch #3686 Toy Story by Thania Arruda

anonymous

anonymous
sketch #3686 Toy Story by Thania Arruda

sketch #1183

anonymous

anonymous
sketch #1183

sketch #5085 CM Punk by Luciana Nazar

anonymous

anonymous
sketch #5085 CM Punk by Luciana Nazar

sketch #1385 fingerschpitsengeful

anonymous

anonymous
sketch #1385 fingerschpitsengeful

sketch #5189

anonymous

anonymous
sketch #5189

sketch #3439 Aralé by Malyi Link

anonymous

anonymous
sketch #3439 Aralé by Malyi Link

sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

anonymous

anonymous
sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

sketch #5267

anonymous

anonymous
sketch #5267

sketch #3620 Dude by Arasheel Eomseii

anonymous

anonymous
sketch #3620 Dude by Arasheel Eomseii

sketch #3261

anonymous

anonymous
sketch #3261

sketch #20471

anonymous

anonymous
sketch #20471

sketch #5339

anonymous

anonymous
sketch #5339

sketch #4478

Hank Henry Armstrong
sketch #4478

sketch #20690

anonymous

anonymous
sketch #20690

sketch #5009 Elen Jager from Attack on Titan

anonymous

anonymous
sketch #5009 Elen Jager from Attack on Titan

sketch #3939

anonymous

anonymous
sketch #3939

sketch #5227

anonymous

anonymous
sketch #5227

sketch #5415

anonymous

anonymous
sketch #5415

sketch #2588 Buble by sketchmaster

sketchmaster
sketch #2588 Buble by sketchmaster

sketch #5068

anonymous

anonymous
sketch #5068

tomski为什么a4纸的长宽比是√2，而不是21�？因为例用了数学，创造了完美的造纸系统 知乎 coloring

A4纸尺寸那么奇怪？为什么会成为使用最广泛的打印纸？比例 sketch template

a4纸的长宽比是多� 百度知道 sketch template

A4纸到底是怎么来的它的尺寸有什么奥秘�规格纸张面积通用标准新浪新闻 sketch template

黄�分割和白银分割及其在建�学中的应用 知乎 sketch template

18k纸是多大尺寸百度经验 sketch template

初学讲义之高中数学二十：简单几何体 知乎 sketch template

【EDA�floorplanning基础入门 B� Eda CSDN博客 sketch template

百度教育 sketch template

机翼的平面参数（展弦比、梢根比、后掠角）、平均几何弦长的平均气动弦长区别、常见机翼平面形状的优缺点 知乎 sketch template

最全的印刷纸张开数及尺寸凤凰� sketch template

4开纸的尺寸大度千图� sketch template

【力学分析�板的弹性屈曲临界应力 知乎 sketch template

黄�矩形长宽比为什么是根号5比一百度知道 sketch template

能否解释一下几何平均弦长和气动平均弦长？ 知乎 sketch template

Flac3D常见的建模方法汇总 知乎 sketch template

屏幕分辨率尺寸比例 长宽 如何计算 知乎 sketch template

Flac3D常见的建模方法汇总 知乎 sketch template

二年级奥数知识点：枚举法枚举法奥数� sketch template

如图：长方形的面积是小于100的整数，它的内部有三个边长是整数的正方形，正方形�的边长是长方形长的，正方形�的边长是长方形宽的，那么图中阴影 sketch template

Flac3D常见的建模方法汇总 知乎 sketch template

基于图像边缘检测的扭曲文档矫正 sketch template

为什么A4纸被设计成210mm乘297mm？ 知乎 sketch template

Stable Diffusion XLSDXL原理详解 知乎 sketch template

相机画幅，照片画幅，画幅比例，这都是啥啥啥？ 知乎 sketch template

初中数学 解直角三角形的思路及常用模型 知乎 sketch template

一块截面积为矩形ABCD的均匀�属块重2000N它的长宽之比为43将它置于水平地面上如图所示若在A点用力F抬起�属块的一端则力F至� sketch template

水泥土墙隔栅的长宽比规定基�边坡 �龙岩土工程论坛 sketch template

高光谱分类是不是已经到达了瓶颈？ 知乎 sketch template

详解Logo的规范化是怎么操作的 知乎 sketch template

【国家自然�学基�研学�乡�聚落形态的量化解析与有机营建 知乎 sketch template

为什么A4纸的长宽比是√2，而不是21�？因为例用了数学，创造了完美的造纸系统 知乎 sketch template

WebGL实现3d渲染 知乎 sketch template

A0纸，A1纸有多大？长宽各有多�厘米？（厘米为单位！）百度知道 sketch template

为什么A4纸的长宽比是√2，而不是21�？因为例用了数学，创造了完美的造纸系统 知乎 sketch template

free web stats