为什么抛物线内接三角形的垂心是焦点时三角形内切一个定圆? 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 theseCrystal ball, Weights, Bride, Sheets, Crown, Vacuum, Boxes, Woodpecker, Yacht, canyon, 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 #5055


anonymous
anonymous
sketch #5203 Alien vs. Predator Ani Chachua


anonymous
anonymous
sketch #2117


anonymous
anonymous
sketch #4990


anonymous
anonymous
sketch #1221 səhər abbasova gözəi qız hamı məni çox seve anam da çox sevir


anonymous
anonymous
sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister


sketchmaster
sketch #2638 Cliff cool


anonymous
anonymous
sketch #389


anonymous
anonymous
sketch #5100 Shadow by An Nguyen


Jaroslav Florian
sketch #90 JF Style!


anonymous
anonymous
sketch #5186


anonymous
anonymous
sketch #3999 Deadmau by Speeð Üp Säm


anonymous
anonymous
sketch #4995


anonymous
anonymous
sketch #1041 strawberries


anonymous
anonymous
sketch #2562


anonymous
anonymous
sketch #3261


Rachel Roe
sketch #673 Peachy mouse


anonymous
anonymous
sketch #1490 James Joyce....


anonymous
anonymous
sketch #2559 sun


anonymous
anonymous
sketch #4874 Milla Jovovich by Kimmy Kitty Perry Priemus


anonymous
anonymous
sketch #3063


Matt King
sketch #3330


anonymous
anonymous
sketch #3362 The Boss by David Torre


anonymous
anonymous
sketch #2283 Head in a shoe


anonymous
anonymous
sketch #5347


anonymous
anonymous
sketch #5173 Super Meat Boy by Zorka Edding Giustinianovic

tomski为什么抛物线内接三角形的垂心是焦点时三角形内切一个定圆? 知乎 coloring