如图．已知分别是正方体的棱和棱的中点． Ⅰ试判断四边形的形状 Ⅱ求证平面平面．——青夏教育精英家教�—— Sketch Coloring Page

如图．已知分别是正方体的棱和棱的中点． Ⅰ试判断四边形的形状 Ⅱ求证平面平面．——青夏教育精英家教�—— Template

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More Sketches

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

sketch #2740 Monster by Gabriela Segura

Gabriela Segura
sketch #2740 Monster by Gabriela Segura

sketch #5438

anonymous

anonymous
sketch #5438

sketch #5226

anonymous

anonymous
sketch #5226

sketch #4546 Misaki Mei by Wanis Khelifa

anonymous

anonymous
sketch #4546 Misaki Mei by Wanis Khelifa

sketch #1973

Daniel Lachman
sketch #1973

sketch #5216 D by Gabriela Segura

anonymous

anonymous
sketch #5216 D by Gabriela Segura

sketch #5064

anonymous

anonymous
sketch #5064

sketch #1257

anonymous

anonymous
sketch #1257

sketch #3058 Marilyn Monroe by Adam Pyszny

anonymous

anonymous
sketch #3058 Marilyn Monroe by Adam Pyszny

sketch #5139 Sick Sick Six Urs Stefan

anonymous

anonymous
sketch #5139 Sick Sick Six Urs Stefan

sketch #4990

anonymous

anonymous
sketch #4990

sketch #5011

anonymous

anonymous
sketch #5011

sketch #5121

anonymous

anonymous
sketch #5121

sketch #4086 2lips

anonymous

anonymous
sketch #4086 2lips

sketch #3392

anonymous

anonymous
sketch #3392

sketch #4918 Mike Wazowsky by George Andres Crowther Castillo

anonymous

anonymous
sketch #4918 Mike Wazowsky by George Andres Crowther Castillo

sketch #120 a pretty flower

Carly Kelly
sketch #120 a pretty flower

sketch #3683 Hellboy by Loai Issa

anonymous

anonymous
sketch #3683 Hellboy by Loai Issa

sketch #2552

anonymous

anonymous
sketch #2552

sketch #2992 Dragon by Iky Sahendra Putra

anonymous

anonymous
sketch #2992 Dragon by Iky Sahendra Putra

sketch #3986

anonymous

anonymous
sketch #3986

sketch #3118 Joker Hernan Da Costa Marquez

anonymous

anonymous
sketch #3118 Joker Hernan Da Costa Marquez

sketch #5009 Elen Jager from Attack on Titan

anonymous

anonymous
sketch #5009 Elen Jager from Attack on Titan

sketch #1519

anonymous

anonymous
sketch #1519

sketch #4424 MJ by Nycole Prietsch

anonymous

anonymous
sketch #4424 MJ by Nycole Prietsch

sketch #5048

anonymous

anonymous
sketch #5048

sketch #3298

Hank Henry Armstrong
sketch #3298

sketch #2747

Cody Brandoon
sketch #2747

sketch #12 my bear

Tom Kelly
sketch #12 my bear

sketch #5228 Rin & Len by Mark Phillips

anonymous

anonymous
sketch #5228 Rin & Len by Mark Phillips

tomski如图．已知分别是正方体的棱和棱的中点． Ⅰ试判断四边形的形状 Ⅱ求证平面平面．——青夏教育精英家教�—— 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

百度教育 sketch template

如图．已知分别是正方体的棱和棱的中点． Ⅰ试判断四边形的形状 Ⅱ求证平面平面．——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

如图是正方体的一种展开图其每个面上都标有一个数字那么在原正方体中与数字“2 相对的面上的数字是 A．1B．4C．5D．6 题目和参考 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

Z Math【高中数学�8——正方体的截面形状探究知乎 sketch template

15．如图正方体ABCD A1B1C1D1的棱长为1点M在AB上且AM=AB点P在平面ABCD上且动点P到直线A1D1的距离的平方与 sketch template

几何体表面距离最值1——展开图法知乎 sketch template

怎么在正方体上截出一个梯形的面百度经验 sketch template

1．多面体上位于同一条棱两端的顶点称为相邻的如图正方体的一个顶点A在平面内其余顶点在的同侧正方体上与顶点A相邻的三个顶点到的距离 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

在正方体的六个表面中与异面组成角的对角线共有 4 条——青夏教育精英家教�—— 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正方体ABCD A1B1C1D1中EF分别是ABAA1的中点．求证1ECD1F四点共面2CED1FDA三线共 sketch template

如图，在棱长为a的正方体ABCD A1B1C1D1中，P、Q分别是AD1、BD的中点．（1）求证：PQ∥平面DCC1D1．（2）求证：平面 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

“阿基米德多面体”也称为半正多面体是由边数不全相同的正多边形为面围成的多面体它体现了数学的对称美如图所示将正方体沿交于一顶点的三条棱的 sketch template

2．已知EF分别是正方体ABCD A1B1C1D1的棱BC和CD的中点求 1A1D与EF所成角的大小 2A1F与平面B1EB所 sketch template

1．多面体上位于同一条棱两端的顶点称为相邻的如图正方体的一个顶点A在平面内其余顶点在的同侧正方体上与顶点A相邻的三个顶点到的距离 sketch template

如图所示正方体ABCD A1B1C1D1中E是C1C的中点则BE与平面B1BD所成角的余弦值为题目和参考答案——青夏教育精英家教�—— sketch template

如图所示正方体ABCD A1B1C1D1中E是C1C的中点则BE与平面B1BD所成角的余弦值为题目和参考答案——青夏教育精英家教�—— sketch template

一个正方体的六个面上分别标有字母ABCDEF下图是此正方体的两种不同放置则与D面相对的面上的字母是 ．题目和参考答案——青夏 sketch template

如图所示图1为一个长方体AD=AB=10AE=6图2为图1的表面展开图数字和字母写在外表面上字母也可以表示数请根据要求回答问题 sketch template

如图在正方体ABCD A1B1C1中MN分别是BBBC的中点则图中阴影部分在平面ADD1A1上的投影为图中的 ——青夏教育 sketch template

如图 L、M、N分别为正方体对应棱的中点 则平面LMN与平面PQR的位置关系是（）出卷� 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

在正方体中与直线成角的面对角线共有 A4条 B6条 C8条 D10条注面对角线指正方体各面上的对角线 sketch template

百度教育 sketch template

如图在正方体ABCD ABCD中O是底面正方形ABCD中心M是DD的中点N是AB上的动点则直线ONAM的位置关系是 A平行 sketch template

下面是用几个小正方体搭成的四种几何体分别画出它们的三视图．题目和参考答案——青夏教育精英家教�—— sketch template

如图在长方体ABCD A1B1C1D1中已知EF分别是ABBC的中点求证EF∥A1C1．题目和参考答案——青夏教育精英家教�—— sketch template

如图O1是正方体ABCD A1B1C1D1的上底面A1B1C1D1的中心M是对角线A1C和截面B1D1A的交点求证O1MA三点共线 sketch template

设四面体的各条棱长都为1若该四面体的各个顶点都在同一个球面上求该球的表面积．题目和参考答案——青夏教育精英家教�—— 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

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