如何证明圆的切线垂直于过切点的半径? 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 theseTailor, Synagogue, Lettuce, Flute, Belly dancer, Lime, Jail, King, Kayak, Zebra, 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?

anonymous
anonymous
sketch #5177


anonymous
anonymous
sketch #4983


anonymous
anonymous
sketch #4749 Random Girl by Adellachamp Stand


anonymous
anonymous
sketch #1846 zay


Tom Kelly
sketch #15


anonymous
anonymous
sketch #3617 D from Gorillaz by Joselyne Angel Gormaz


anonymous
anonymous
sketch #3052


anonymous
anonymous
sketch #3242 Jolteon by Välë Chäpärrö Järämïllö


anonymous
anonymous
sketch #2577


anonymous
anonymous
sketch #5085 CM Punk by Luciana Nazar


anonymous
anonymous
sketch #3810


anonymous
anonymous
sketch #5193


ShopRasta Roots
sketch #2787 Spongebob by ShopRasta Roots


anonymous
anonymous
sketch #4987


يآآسر محمد
sketch #2818 Hellboy by يآآسر محمد


anonymous
anonymous
sketch #2279 puppetsss


anonymous
anonymous
sketch #2559 sun


sketchmaster
sketch #2635 Zoidberg by sketchmaster


anonymous
anonymous
sketch #3157 umpa lumpa


anonymous
anonymous
sketch #5188 Paul Walker by Taï Marsan


anonymous
anonymous
sketch #5224


Donara Smbatyan
sketch #1447 donara


anonymous
anonymous
sketch #894 hmmm


Nemo Archt
sketch #4134 1 min sketch


anonymous
anonymous
sketch #5124 Tony Tony Chopper by 陳一夫


anonymous
anonymous
sketch #4855


anonymous
anonymous
sketch #68512


anonymous
anonymous
sketch #4383 4383

tomski如何证明圆的切线垂直于过切点的半径? 知乎 coloring