如何证明任意四面体既有内切球又有外接球? 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 thesePotters wheel, Candelabra, Griffin, Football, Plow, Totem pole, Caterpillar, X-ray, Gopher, Sad girl, 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 #5343


anonymous
anonymous
sketch #4279 Winnie the Pooh by Douglas Dalmora


anonymous
anonymous
sketch #2278 flower


anonymous
anonymous
sketch #5351


anonymous
anonymous
sketch #5020 Stitch by Hina Ali


anonymous
anonymous
sketch #5275


anonymous
anonymous
sketch #1711


Donara Smbatyan
sketch #1455 donara


anonymous
anonymous
sketch #4704 Slash


anonymous
anonymous
sketch #2950 Miss Fortune from League of Legends by Araceli GM


anonymous
anonymous
sketch #3575 Stitch by Laura Gutierrez Hinojosa


anonymous
anonymous
sketch #523 the man


anonymous
anonymous
sketch #4876 Luffy by Nycole Prietsch


anonymous
anonymous
sketch #5090


anonymous
anonymous
sketch #1846 zay


sketchmaster
sketch #2618


anonymous
anonymous
sketch #578 Butterflies


anonymous
anonymous
sketch #4665 Iron Maiden EDDIE by Jenna Khoùlix�


anonymous
anonymous
sketch #5371 Senorita by Adrian Matosek


anonymous
anonymous
sketch #5203 Alien vs. Predator Ani Chachua


anonymous
anonymous
sketch #3157 umpa lumpa


anonymous
anonymous
sketch #4774 Banksy&#;s Wall and Piece by Ameli Cedeño Barcia


anonymous
anonymous
sketch #1232 Dylan Thomas


Lucy Barnard
sketch #249 Rocket


anonymous
anonymous
sketch #895


anonymous
anonymous
sketch #859 meyvalar


anonymous
anonymous
sketch #5313 Katy Perry by Monalisa Theresia

tomski如何证明任意四面体既有内切球又有外接球? 知乎 coloring