请问这样找到圆心的原理是什么?如何证明? 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 theseClothes pin, Goatee, Choir, Opossum, Waiter waitress, Messenger Bag, Caravan, Bacon, Tight wire, Sculpture, 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 #2072


anonymous
anonymous
sketch #4695


anonymous
anonymous
sketch #3410


anonymous
anonymous
sketch #4383 4383


Mirnes Sinanovic
sketch #2640 Marge by Mirnes Sinanovic


anonymous
anonymous
sketch #2965 Flapjack by Farzin Hedayatzadeh


anonymous
anonymous
sketch #3505 Django


Raisa Mahmud
sketch #2058


anonymous
anonymous
sketch #1226 the man


anonymous
anonymous
sketch #132


anonymous
anonymous
sketch #5348


Marlyn Ortiz
sketch #2030


anonymous
anonymous
sketch #1519


anonymous
anonymous
sketch #5189


anonymous
anonymous
sketch #5190 That Night by Nînâ Yämâhä


anonymous
anonymous
sketch #3191


BaGaz Anggara
sketch #2836 Angry smurf maradona by BaGaz Anggara


anonymous
anonymous
sketch #5200 Kristen Stewart by Rhemzkian Esturco


anonymous
anonymous
sketch #3367 Ichigo by Szymon Broszczak


anonymous
anonymous
sketch #1732


anonymous
anonymous
sketch #4549


anonymous
anonymous
sketch #3699 Dragon by Ana Cecilia


anonymous
anonymous
sketch #3554 Dr. House by Carrieann Benthem


anonymous
anonymous
sketch #1833 Head shot - abz


anonymous
anonymous
sketch #3058 Marilyn Monroe by Adam Pyszny


Amer Amimer
sketch #2813 Stan from South Park by Amer Amimer


anonymous
anonymous
sketch #5262


anonymous
anonymous
sketch #5265 Shir Erika Ishikawa


anonymous
anonymous
sketch #4053

tomski请问这样找到圆心的原理是什么?如何证明? 知乎 coloring