如图已知正方体棱长为2点是正方形的中心点分别是棱的中点．设点分别是点在平面内的正投影． Ⅰ求以为顶点以四边形在平面内的正投影为 Sketch Coloring Page

如图已知正方体棱长为2点是正方形的中心点分别是棱的中点．设点分别是点在平面内的正投影． Ⅰ求以为顶点以四边形在平面内的正投影为 Template

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com

please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #687 Buddha Peace

anonymous

anonymous
sketch #687 Buddha Peace

sketch #5440

anonymous

anonymous
sketch #5440

sketch #1385 fingerschpitsengeful

anonymous

anonymous
sketch #1385 fingerschpitsengeful

sketch #5278 Cosmos by Jenna Khoùlix�

anonymous

anonymous
sketch #5278 Cosmos by Jenna Khoùlix�

sketch #5227

anonymous

anonymous
sketch #5227

sketch #5330 Frozen by Amanda Kachadurian

anonymous

anonymous
sketch #5330 Frozen by Amanda Kachadurian

sketch #5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit

anonymous

anonymous
sketch #5059 Edward Hopper&#;s &#;Nighthawks&#; by Rosanne Zammit

sketch #3506 Goku by Saul Mansanares

anonymous

anonymous
sketch #3506 Goku by Saul Mansanares

sketch #4640 Serj Tankian by Dav Guzman Mendoza

anonymous

anonymous
sketch #4640 Serj Tankian by Dav Guzman Mendoza

sketch #5222 Magic Art Tin Sheek

anonymous

anonymous
sketch #5222 Magic Art Tin Sheek

sketch #5124 Tony Tony Chopper by 陳一夫

anonymous

anonymous
sketch #5124 Tony Tony Chopper by 陳一夫

sketch #389

anonymous

anonymous
sketch #389

sketch #2308

anonymous

anonymous
sketch #2308

sketch #2818 Hellboy by يآآسر محمد

يآآسر محمد
sketch #2818 Hellboy by يآآسر محمد

sketch #2477 hhhh

anonymous

anonymous
sketch #2477 hhhh

sketch #3296

anonymous

anonymous
sketch #3296

sketch #3350 Gerard Way by Carrieann Benthem

anonymous

anonymous
sketch #3350 Gerard Way by Carrieann Benthem

sketch #2279 puppetsss

anonymous

anonymous
sketch #2279 puppetsss

sketch #282

Johnny B. Goode
sketch #282

sketch #3268 Werewolf by Mert Arda Yiğit

anonymous

anonymous
sketch #3268 Werewolf by Mert Arda Yiğit

sketch #3489 Panda by Scott Terry

anonymous

anonymous
sketch #3489 Panda by Scott Terry

sketch #2772 Merry Christmas from Victor Montecinos Jose Rondon

Jose Rondon
sketch #2772 Merry Christmas from Victor Montecinos Jose Rondon

sketch #137

Chris Shrimp Lonsdale
sketch #137

sketch #4475 Daft Punk by Reggie Garcia

anonymous

anonymous
sketch #4475 Daft Punk by Reggie Garcia

sketch #4929

anonymous

anonymous
sketch #4929

sketch #734 ytsfsfsdhgdhgf

Melissa Cogo
sketch #734 ytsfsfsdhgdhgf

sketch #1995

Laura Agapi Asnicar
sketch #1995

sketch #5171

anonymous

anonymous
sketch #5171

sketch #3300

anonymous

anonymous
sketch #3300

sketch #3779 RIP Hugo Chavez Joey Hyuuga

anonymous

anonymous
sketch #3779 RIP Hugo Chavez Joey Hyuuga

tomski如图已知正方体棱长为2点是正方形的中心点分别是棱的中点．设点分别是点在平面内的正投影． Ⅰ求以为顶点以四边形在平面内的正投影为 coloring

如图已知正方体棱长为2点是正方形的中心点分别是棱的中点．设点分别是点在平面内的正投影． Ⅰ求以为顶点以四边形在平面内的正投影为 sketch template

如图正方体的棱长为2试建立适当的空间直角坐标系写出正方体各顶点的坐标及各边中点的坐标．题目和参考答案——青夏教育精英家教�—— sketch template

如图9一个正方体的棱长为2cm一只蚂蚁欲从A点处沿正方体侧面到B点处吃食物那么它需要爬行的最短路径的长是 ——青夏教育精英家教�—— sketch template

已知正方体棱长为2，以正方体的一个顶点为球心，以2√2为半径作球面，则该球面被正方体表面所截得的所有的弧长和为 百度教育 sketch template

已知正方体ABCD A1B1C1D1的棱长为a．1求点C1到平面AB1D1的距离2求平面CDD1C1与平面AB1D1所成的二面角 sketch template

棱长 360百� sketch template

如图正方体ABCD A1B1C1D1的棱长为1P为BC的中点Q为线段CC1上的动点过点APQ的平面截该正方体所得的截面记为S则 sketch template

如图在一个棱长为20cm的正方体密闭容器的下底固定了一个实心的小长方体容器内盛有mL水时水面恰好经过小长方体的上底面。如果将容器倒置小 sketch template

如图，在棱长为的正方体中，点在平面内且，则以下结论高途 sketch template

如图所示在正方体ABCD A1B1C1D1中棱长为aMN分别为A1B和AC上的点A1M=AN=则MN与平面BB1C1C的位置关系是 sketch template

如图正方体ABCD A1B1C1D1的棱长为1P为BC的中点Q为线段CC1上的动点过点APQ的平面截该正方体所得的截面记为S则 sketch template

百度教育 sketch template

如图，已知正三棱柱ABC A 1B 1C 1的所有棱长都为2，D为CC 1中点，E为BC的中点（1）求证：BD⊥ 平面AB 1E；（2）求三 sketch template

已知正方体ABCD A′B′C′D′的棱长为1点M是棱AA′的中点点O是对角线BD′的中点．Ⅰ求证OM为异面直线AA′和BD′的公 sketch template

如图模块� �均由4个棱长为1的小正方体构成模块�由15个棱长为1的小正方体构成现从模块� �中选出三个放到模块�上使得模块�成为一个 sketch template

【解题研究�球的截面交线长问题知乎 sketch template

19． 如图在棱长为a的正方体中EF分别为棱AB和BC的中点EF交BD于H 1求二面角的正切值 2试在棱上找一点M使⊥ sketch template

正方体的棱长为1画过正方体AC1棱AA1B1C1A1B1上三个中点NLR的截面并求截面面积．题目和参考答案——青夏教育精英家教�—— sketch template

正方体的体积变化时正方体的体积与表面积之比有什么变化百度经验 sketch template

如图已知正三棱柱 的底面边长为2侧棱长为点E在侧棱上点F在侧棱上且 I 求证 II 求直线与平面的夹角题目和参考 sketch template

如图1大正方体上截去一个小正方体后可得到图2的几何体．1设原大正方体的表面积为S图2中几何体的表面积为S′那么S′与S的大小关系是 sketch template

如图是由若干个完全相同的小正方体堆成的几何体，请你画出这个几何体的三种视图． sketch template

一个圆柱体的侧面展开图的边为4πcm的正方形则它的表面积为 Cm2——青夏教育精英家教�—— sketch template

多面正投影图轴侧投影图 伤感说说吧 sketch template

18．已知棱长为1的正方体AC1EF分别是B1C1C1D的中点． 1求证EFDB共面 2求点A1到平面的BDEF的距离 sketch template

如图已知正方体ABCD A1B1C1D1的棱长为2点E为棱AB的中点．求1D1E与平面BC1D所成角的正弦值2二面角D BC1 sketch template

如图已知正方体ABCD A1B1C1D1的棱长为1EF分别在棱ABBC上G在对角线BD1上且AE＝BF＝D1G∶GB＝1∶2 sketch template

21． 如图正方体ABCD A1B1C1D1的棱长为1 M是棱AB的中点． Ⅰ求CD与平面AC D1所成的角 Ⅱ求证平面B1C sketch template

两相同的正四棱锥组成如图所示的几何体可放棱长为1的正方体内使正四棱锥的底面ABCD与正方体的某一个平面平行且各顶点均在正方体的面上则 sketch template

如图1大正方体上截去一个小正方体后可得到图2的几何体．设原大正方体的表面积为S图2中几何体的表面积为S′那么S′与S的大小 sketch template

如图已知边长为5的正方形ABCD和边长为3的正方形CEFG共顶点C正方形CEFG绕点C旋转60°连接BEDG则 BCE的面积与 sketch template

如图在一个棱长为20厘米的正方体密闭容器的下底固定了一个实心圆柱体容器内盛有m升水时水面恰好经过圆柱体的上底面．如果将容器倒置圆柱体有 sketch template

如图已知直四棱柱ABCD A1B1C1D1的底面边长和侧棱长均为1且满足∠BAD=60°O1为A1C1的中点．1求证BD⊥A1C sketch template

16．若棱长为1的正八面体的六个顶点均在某个球的球面上则这个球的体积为 ——青夏教育精英家教�—— sketch template

如图所示在一个木制的棱长为3的正方体表面涂上颜色将它的棱三等分然后从每个等分点把正方体锯开得到27棱长为1的小正方体将这些小正方体 sketch template

free web stats