如何证明圆内接四边形对角线之积等于对边的乘积和 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 theseHatchet, Office, Cards, Gumball machine, Billy Goat, Puppeteer, Hummingbird, Snorkel, Palm hand, Dessert, 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 #474 waa


anonymous
anonymous
sketch #5237 Gotye by Jhonatan Soares


Tom Kelly
sketch #519 The Joker


anonymous
anonymous
sketch #5350


anonymous
anonymous
sketch #4091 Irie


Tom Kelly
sketch #521 A hungry caterpillar


sketchmaster
sketch #2619 Underwater by sketchmaster


anonymous
anonymous
sketch #4957


anonymous
anonymous
sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )


anonymous
anonymous
sketch #5048


anonymous
anonymous
sketch #5009 Elen Jager from Attack on Titan


anonymous
anonymous
sketch #1034 what ever you want it to be


anonymous
anonymous
sketch #3581 Dante


anonymous
anonymous
sketch #3166 Axl Rose by Jessie Lightwood


anonymous
anonymous
sketch #3562 Angry by Leon Soria Ricardo


anonymous
anonymous
sketch #5050


anonymous
anonymous
sketch #2574


anonymous
anonymous
sketch #5220


Wynchz
sketch #962


anonymous
anonymous
sketch #5044


anonymous
anonymous
sketch #4979 Luffy


anonymous
anonymous
sketch #3484 Red Hot Chili Peppers by Nik Zulqarnain


anonymous
anonymous
sketch #3372 Erza by Konstantin Kuznetsov


anonymous
anonymous
sketch #2309


anonymous
anonymous
sketch #2992 Dragon by Iky Sahendra Putra


anonymous
anonymous
sketch #523 the man


anonymous
anonymous
sketch #5231


Sarah Nila
sketch #3483 Ginger


anonymous
anonymous
sketch #4467


anonymous
anonymous
sketch #4511 Yao Ming by Betty Marie Melzer

tomski如何证明圆内接四边形对角线之积等于对边的乘积和 知乎 coloring