在一个半径为1的,圆心角为90度的扇形内做一个面积最大的圆,求圆的半径? 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 theseBirdhouse, Cable car, Seamstress, Vanity, Toast, Aircraft carrier, Lobby, Flag, Wanderer, Ferris wheel, 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 #5269


anonymous
anonymous
sketch #2559 sun


anonymous
anonymous
sketch #5181


anonymous
anonymous
sketch #1695


Donara Smbatyan
sketch #1452 donara


anonymous
anonymous
sketch #4902


anonymous
anonymous
sketch #2431 face :D


anonymous
anonymous
sketch #3774 Marilyn Manson by Junior Silva


Raisa Mahmud
sketch #2055 Flower


anonymous
anonymous
sketch #5315


anonymous
anonymous
sketch #5216 D by Gabriela Segura


anonymous
anonymous
sketch #4221 Moi.


anonymous
anonymous
sketch #5188 Paul Walker by Taï Marsan


Matt King
sketch #3330


anonymous
anonymous
sketch #280


anonymous
anonymous
sketch #2308


Donara Smbatyan
sketch #1448 donara


anonymous
anonymous
sketch #3410


anonymous
anonymous
sketch #5222 Magic Art Tin Sheek


anonymous
anonymous
sketch #5150 Regina from Dino Crisis by Hsien-Ying Hsieh


anonymous
anonymous
sketch #5061


anonymous
anonymous
sketch #4979 Luffy


anonymous
anonymous
sketch #1953 愛鼠繪


anonymous
anonymous
sketch #5214 Crying with a Smile by Bill Kody


anonymous
anonymous
sketch #5339


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 #5314


anonymous
anonymous
sketch #4388 Homer and the Cherry

tomski在一个半径为1的,圆心角为90度的扇形内做一个面积最大的圆,求圆的半径? 知乎 coloring