• Sketchite
Sketchite

一个四面体的展开图是一个三角形，当且仅当这个四面体为正四面体，三角形为正三角形，对吗？ 知乎 Template






Link:
sketch 3039 Anonymous by Gootee Jaroonsit
sketch 2476 Asuna from SAO by sketchmaster
sketch 84
sketch 669 Cluck
sketch 808
sketch 3047 Oppa Pika Style by Itz Rakhi
sketch 5129 Konata Izumi by Urs Stefan
sketch 5223 Elsa from Frozen by Ben De Jesus

You need a modern browser try chrome, to view this.
Background image: Hide Show

View Larger Image Image Credit: zhihu.com

sketch 4368
sketch 2636 Robitina by sketchmaster
sketch 3986
sketch 878
sketch 2030
sketch 5218 Marshall Lee Dj-ionut Manelomania
sketch 2643 Spring chick
sketch 2025





Try and sketch some of theseWhip, Chef, Kissing, Swimmer, Pepperoni, Cowl, Desert, Berries, Sea cucumber, You self portrait, 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?
view like
sketch #4493 Jimi Hendrix by Alex Stoun
anonymous
anonymous
sketch #4493 Jimi Hendrix by Alex Stoun

view like
sketch #4881
anonymous
anonymous
sketch #4881

view like
sketch #5285
anonymous
anonymous
sketch #5285

view like
sketch #4722 Ichigo by Gopal Gopi
anonymous
anonymous
sketch #4722 Ichigo by Gopal Gopi

view like
sketch #1446
anonymous
anonymous
sketch #1446

view like
sketch #5009 Elen Jager from Attack on Titan
anonymous
anonymous
sketch #5009 Elen Jager from Attack on Titan

view like
sketch #1170
anonymous
anonymous
sketch #1170

view like
sketch #2308
anonymous
anonymous
sketch #2308

view like
sketch #4921
anonymous
anonymous
sketch #4921

view like
sketch #5259
anonymous
anonymous
sketch #5259

view like
sketch #3810
anonymous
anonymous
sketch #3810

view like
sketch #2638 Cliff cool
sketchmaster
sketch #2638 Cliff cool

view like
sketch #4887 Jessica Rabbit by Garima Taneja
anonymous
anonymous
sketch #4887 Jessica Rabbit by Garima Taneja

view like
sketch #3330
Matt King
sketch #3330

view like
sketch #20840 Dog by Laur Ūūtiis
anonymous
anonymous
sketch #20840 Dog by Laur Ūūtiis

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

view like
sketch #1216
anonymous
anonymous
sketch #1216

view like
sketch #4688
anonymous
anonymous
sketch #4688

view like
sketch #5155
anonymous
anonymous
sketch #5155

view like
sketch #3127 Hulk George Lucaz
anonymous
anonymous
sketch #3127 Hulk George Lucaz

view like
sketch #3410
anonymous
anonymous
sketch #3410

view like
sketch #3420
anonymous
anonymous
sketch #3420

view like
sketch #3273
anonymous
anonymous
sketch #3273

view like
sketch #5180
anonymous
anonymous
sketch #5180

view like
sketch #3732 Michael Jackson by David Obando
anonymous
anonymous
sketch #3732 Michael Jackson by David Obando

view like
sketch #1122 norooz
anonymous
anonymous
sketch #1122 norooz

view like
sketch #5257
anonymous
anonymous
sketch #5257

view like
sketch #878
Laura Agapi Asnicar
sketch #878

view like
sketch #2866 Soul Eater by Ani Chachua
anonymous
anonymous
sketch #2866 Soul Eater by Ani Chachua

view like
sketch #3145 Madoka by Николай Герасимов
anonymous
anonymous
sketch #3145 Madoka by Николай Герасимов

tomski一个四面体的展开图是一个三角形，当且仅当这个四面体为正四面体，三角形为正三角形，对吗？ 知乎 coloring
view template
一个四面体的展开图是一个三角形，当且仅当这个四面体为正四面体，三角形为正三角形，对吗？ 知乎 sketch template
view template
一个四面体的展开图是一个三角形，当且仅当这个四面体为正四面体，三角形为正三角形，对吗？ 知乎 sketch template
view template
在下面4个平面图形中，哪几个是下面各侧棱都相等的四面体的展开图？其序号是 把你认为正确的序号都填上． 答案：——青夏教育精英家教—— sketch template
view template
一个四面体的四个面都可以是直角三角形么？ 知乎 sketch template
view template
如图是一个正四面体它的四个面都是正三角形现沿它的三条棱ACBCCD剪开展成平面图形则所得的展开图是 ——青夏教育精英家教—— sketch template
view template
高中数学：几何体表面积与体积的教学设计 知乎 sketch template
view template
正四面体一个顶点处的立体角是多大？ 知乎 sketch template
view template
为什么正四面体顶点在底面的投影在底面三角形的中心？ 知乎 sketch template
view template
正四面体一个顶点处的立体角是多大？ 知乎 sketch template
view template
正四面体 随意优惠券 sketch template
view template
图灵社区 sketch template
view template
详解三角面片：实现现实场景的数字化 CSDN博客 sketch template
view template
左图是给正四面体的外表面，下面哪项能由它折叠而成？ 532484 空间翻转 图形视觉 33IQ sketch template
view template
四面体 画边法 粉笔资讯 sketch template
view template
1小明用若干个正三角形和长方形拼成了一个直三棱柱的展开图拼完后小明看来看去觉得所拼图形似乎存在问题请你帮小明分析一下拼图是否存在问题 sketch template
view template
四棱台展开图详细画法 千图 sketch template
view template
一个正四面体的各条棱长都是a那么这个正四面体的高 百度经验 sketch template
view template
百度教育 sketch template
view template
初学讲义之高中数学二十：简单几何体 知乎 sketch template
view template
如图，左图为一个边长为4的正方形，右图为左图的表面展开图（字在外表面上），请根据要求回答问题： （1）面“成”的对面是面 ； （2 百度教育 sketch template
view template
空间几何体三视图 Word文档在线阅读与下载 无忧文档 sketch template
view template
Z Math【高中数学8——正方体的截面形状探究 知乎 sketch template
view template
四棱台展开图详细画法 千图 sketch template
view template
如图直角三角形的两个锐角分别是40°和50°其三边上分别有一个正方形．执行下面的操作由两个小正方形外分别作锐角为40°和50°的直角 sketch template
view template
图1是由正方形和正三角形组成的一个平面图形，将沿折起，使点到达点的位置，为的中点，如图2． sketch template
view template
把右图中的三棱柱展开，所得到的展开图是 B 解析两个全等的三角形，再侧面三个长方形的两侧，这样的图形围成的是三棱柱，一个底面相邻可以 sketch template
view template
有什么有趣的数学题？ 知乎 sketch template
view template
用一个平面截一个长方体截出的截面是一个三角形则这个三角形的形状是A锐角三角形B直角三角形C钝角三角形D不能确定 题目和参考答案 sketch template
view template
正四面体的高是什么 百度经验 sketch template
view template
如图是一个正四面体现沿它的棱ABACAD剪开展成平面图形则所得的展开图是ABCD——青夏教育精英家教—— sketch template
view template
棱长为2的正四面体的四个顶点都在同一个球面上 若过该球球心的一个截面如图1 则图中三角形的面积是 A． B． C． D．——青夏教育精英家教—— sketch template
view template
右图是个有底无盖的容器的平面展开图其中是边长为18厘米的正方形是同样大的等腰直角三角形是同样大的等边三角形．那么这个 sketch template
view template
正四面体图册 360百 sketch template
view template
图1是一个三角形分别连接这个三角形三边的中点得到图中间小三角形三边中点得到图3图中分别有多个三角形按上面的方法继续下去第 sketch template
view template
13．如图是一个由4个等边三角形组成的图形利用学过的图形变换分析它的形成过程．——青夏教育精英家教—— sketch template