如何严谨的证明三角形内角和为180º?(多种方法)? 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 theseMoon, Star, Rose, Gazebo, Licorice, Curtains, Swimmer, Vampire, Cave, Pigeon, 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?

Tom Kelly
sketch #519 The Joker


Jaroslav Florian
sketch #135 TYGER Style


anonymous
anonymous
sketch #5052 Gorillaz by Rafał Dawid


anonymous
anonymous
sketch #4053


anonymous
anonymous
sketch #5293


anonymous
anonymous
sketch #3350 Gerard Way by Carrieann Benthem


anonymous
anonymous
sketch #5166 Jigsaw by Gisele Siqueira Zanni


anonymous
anonymous
sketch #3404 Terminator by Enrique L. Manly


anonymous
anonymous
sketch #5155


anonymous
anonymous
sketch #4414


anonymous
anonymous
sketch #4549


anonymous
anonymous
sketch #1490 James Joyce....


anonymous
anonymous
sketch #2866 Soul Eater by Ani Chachua


anonymous
anonymous
sketch #3254 derp


anonymous
anonymous
sketch #5215


Donara Smbatyan
sketch #1452 donara


anonymous
anonymous
sketch #5265 Shir Erika Ishikawa


Lucy Barnard
sketch #249 Rocket


anonymous
anonymous
sketch #1668 SUNSET


Rachel Roe
sketch #25 Suzzy the stegosaurus


anonymous
anonymous
sketch #1855 MAGIC DANCE


anonymous
anonymous
sketch #542 life


anonymous
anonymous
sketch #3012 Girl by Safa M. Esam Srk


anonymous
anonymous
sketch #5130 Batman by Kamal Ahmed Tantawy


sketchmaster
sketch #2608 Beauty and the Beast by sketchmaster


anonymous
anonymous
sketch #4589


anonymous
anonymous
sketch #3191

tomski如何严谨的证明三角形内角和为180º?(多种方法)? 知乎 coloring