这道关于圆外切四边形等角线的题,是否有纯几何法证明? 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of theseToad, Friend, Goatee, Wizard, Record player, Crop, Square, Dork, Bouquet, Gypsy, view more ideas


please wait, the page is loading...

More Sketches

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

Benjo Arellano
sketch #779 Gol D Roger


anonymous
anonymous
sketch #4976


anonymous
anonymous
sketch #2178


anonymous
anonymous
sketch #2025


anonymous
anonymous
sketch #3631


anonymous
anonymous
sketch #5210 I love you by Saul Mansanares


anonymous
anonymous
sketch #5165 Marceline by Marvin Chrome


anonymous
anonymous
sketch #3138 Papa Smurf by Courtney Spragg


anonymous
anonymous
sketch #5313 Katy Perry by Monalisa Theresia


anonymous
anonymous
sketch #5044


anonymous
anonymous
sketch #2195


anonymous
anonymous
sketch #4835 L from Death Note by Adidtzu Ady


Ashok Kumar Chaturvedi
sketch #2699 Girl in shades Ashok Kumar Chaturvedi


anonymous
anonymous
sketch #3000


anonymous
anonymous
sketch #5182 Inuyasha by Sepp Herberger


anonymous
anonymous
sketch #3039 Anonymous by Gootee Jaroonsit


anonymous
anonymous
sketch #4948 Snow White by George Lucaz


anonymous
anonymous
sketch #1122 norooz


anonymous
anonymous
sketch #5312


Donara Smbatyan
sketch #1551 donara


anonymous
anonymous
sketch #3197 Dragon by Yuryi Zambrano


Tom Kelly
sketch #124 saurez


sketchmaster
sketch #2460 Zayn Malik of One Direction by sketchmaster


anonymous
anonymous
sketch #3599 Lovely pencil face


anonymous
anonymous
sketch #4558


anonymous
anonymous
sketch #3222 Late happy valentine&#;s from Tiffa Hidalgo Jordan Coquet


anonymous
anonymous
sketch #1536 Dark Night

tomski这道关于圆外切四边形等角线的题,是否有纯几何法证明? 知乎 coloring