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 theseHummingbird, Snow cone, Scale, Skeleton, Movie Theater, Sandcastle, Bamboo, Cherry picker, Dog Catcher, Dunce, 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 #1669


anonymous
anonymous
sketch #3651 Istanbul by DjDarío GT


anonymous
anonymous
sketch #3707 The Thinker


anonymous
anonymous
sketch #5051


anonymous
anonymous
sketch #5067


anonymous
anonymous
sketch #4493 Jimi Hendrix by Alex Stoun


anonymous
anonymous
sketch #4749 Random Girl by Adellachamp Stand


anonymous
anonymous
sketch #4736 Naruto by Wellen Lima


Mirnes Sinanovic
sketch #2640 Marge by Mirnes Sinanovic


anonymous
anonymous
sketch #5077 Light of Hope by Itz Rakhi


sketchmaster
sketch #2608 Beauty and the Beast by sketchmaster


anonymous
anonymous
sketch #4971 Rhianna by Isaiah Fantisy Godlike


anonymous
anonymous
sketch #2197


anonymous
anonymous
sketch #2027


anonymous
anonymous
sketch #2308


anonymous
anonymous
sketch #3765 Happy easter!


anonymous
anonymous
sketch #4987


anonymous
anonymous
sketch #3344 Homer by Samuel Roberto


anonymous
anonymous
sketch #1853 scribble


Raisa Mahmud
sketch #2055 Flower


anonymous
anonymous
sketch #2309


anonymous
anonymous
sketch #1328


anonymous
anonymous
sketch #5270 Fresh prince by Fatér Szilvia


anonymous
anonymous
sketch #3466


anonymous
anonymous
sketch #2889


anonymous
anonymous
sketch #5072


anonymous
anonymous
sketch #4868 Pokemons! by Ammed Hjb

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