求棱长为a的正四面体的外接球和内切球的半径 解析如图作ah⊥底面bcd于h则ah=a设内切球的球心为o半径为ro点与abc Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com






Try and sketch some of theseBag lady, Cherry, Wheat, Pumpkin, Sugar, Crone, Cross, Stork, Snow, Honey, 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 #313 Uchiha Sasuke


anonymous
anonymous
sketch #5326


anonymous
anonymous
sketch #1045


anonymous
anonymous
sketch #3620 Dude by Arasheel Eomseii


anonymous
anonymous
sketch #3496


Alexander Volodimirovich Danilchenko
sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko


Mirnes Sinanovic
sketch #2640 Marge by Mirnes Sinanovic


anonymous
anonymous
sketch #5166 Jigsaw by Gisele Siqueira Zanni


anonymous
anonymous
sketch #4933 Tobi by Abdelwahab Haik


Chris Shrimp Lonsdale
sketch #342 Forest scene


anonymous
anonymous
sketch #2337


anonymous
anonymous
sketch #20594


anonymous
anonymous
sketch #894 hmmm


anonymous
anonymous
sketch #3651 Istanbul by DjDarío GT


sketchmaster
sketch #2464 Spongebob by sketchmaster


anonymous
anonymous
sketch #4640 Serj Tankian by Dav Guzman Mendoza


anonymous
anonymous
sketch #4646 Panda by Raimundo Santos


Donara Smbatyan
sketch #1452 donara


anonymous
anonymous
sketch #5190 That Night by Nînâ Yämâhä


anonymous
anonymous
sketch #3088 Billy from Saw by Naulian Ciko


anonymous
anonymous
sketch #3166 Axl Rose by Jessie Lightwood


anonymous
anonymous
sketch #1418 Dylan Thomas. Chayrolfrypan


anonymous
anonymous
sketch #1118 easy zombie


anonymous
anonymous
sketch #5093 Pedro Henrique Jordan Coquet


anonymous
anonymous
sketch #5204


anonymous
anonymous
sketch #1500


anonymous
anonymous
sketch #2899 Snoopy by Rhemzkian Esturco

tomski求棱长为a的正四面体的外接球和内切球的半径 解析如图作ah⊥底面bcd于h则ah=a设内切球的球心为o半径为ro点与abc coloring