如图已知三棱锥的底面是直角三角形直角边长分别为3和4过直角顶点的侧棱长为4且垂直于底面该三棱锥的主视图是abcd——青夏教育 Sketch Coloring Page

如图已知三棱锥的底面是直角三角形直角边长分别为3和4过直角顶点的侧棱长为4且垂直于底面该三棱锥的主视图是abcd——青夏教育 Template

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sketch #1732

anonymous

anonymous
sketch #1732

sketch #2573 homer simpson

anonymous

anonymous
sketch #2573 homer simpson

sketch #5308 Taylor Swift by Gabi Ferrari

anonymous

anonymous
sketch #5308 Taylor Swift by Gabi Ferrari

sketch #2178

anonymous

anonymous
sketch #2178

sketch #2899 Snoopy by Rhemzkian Esturco

anonymous

anonymous
sketch #2899 Snoopy by Rhemzkian Esturco

sketch #1061 garota ao vento

Ariel Fernando
sketch #1061 garota ao vento

sketch #5348

anonymous

anonymous
sketch #5348

sketch #1453

anonymous

anonymous
sketch #1453

sketch #3505 Django

anonymous

anonymous
sketch #3505 Django

sketch #1477 123 viva l 'algerie

anonymous

anonymous
sketch #1477 123 viva l 'algerie

sketch #5284

anonymous

anonymous
sketch #5284

sketch #3659 Portrait by Mari Falcsik

anonymous

anonymous
sketch #3659 Portrait by Mari Falcsik

sketch #5134

anonymous

anonymous
sketch #5134

sketch #4053

anonymous

anonymous
sketch #4053

sketch #4264 oh yeah

anonymous

anonymous
sketch #4264 oh yeah

sketch #20344

anonymous

anonymous
sketch #20344

sketch #4899

anonymous

anonymous
sketch #4899

sketch #3059

anonymous

anonymous
sketch #3059

sketch #1500

anonymous

anonymous
sketch #1500

sketch #5211

anonymous

anonymous
sketch #5211

sketch #5314

anonymous

anonymous
sketch #5314

sketch #2992 Dragon by Iky Sahendra Putra

anonymous

anonymous
sketch #2992 Dragon by Iky Sahendra Putra

sketch #2206

anonymous

anonymous
sketch #2206

sketch #4 Nirvana Smiley

Tom Kelly
sketch #4 Nirvana Smiley

sketch #3047 Oppa Pika Style by Itz Rakhi

anonymous

anonymous
sketch #3047 Oppa Pika Style by Itz Rakhi

sketch #2278 flower

anonymous

anonymous
sketch #2278 flower

sketch #3595

anonymous

anonymous
sketch #3595

sketch #3362 The Boss by David Torre

anonymous

anonymous
sketch #3362 The Boss by David Torre

sketch #5264

anonymous

anonymous
sketch #5264

sketch #5039

anonymous

anonymous
sketch #5039

tomski如图已知三棱锥的底面是直角三角形直角边长分别为3和4过直角顶点的侧棱长为4且垂直于底面该三棱锥的主视图是abcd——青夏教育 coloring

正三棱锥的高是多� 百度经验 sketch template

如图已知三棱锥的底面是直角三角形直角边长分别为3和4过直角顶点的侧棱长为4且垂直于底面该三棱锥的主视图是ABCD——青夏教育 sketch template

初学讲义之高中数学二十：简单几何体知乎 sketch template

已知三棱锥的三视图如右图所示其中侧视图为直角三角形俯视图为等腰直角三角形则此三棱锥的体积等于 A． B． C． D．题目和参考 sketch template

三棱锥专题 Word文档在线阅读与下载免费文档 sketch template

如图已知三棱锥的底面是直角三角形直角边长分别为3和4过直角顶点的侧棱长为4且垂直于底面该三棱锥的主视图是ABCD——青夏教育 sketch template

一个三棱锥的各个面均为正三角形以每个面的中心为顶点构成一个新三棱锥若新三棱锥体积为2求原三棱锥体百度知道 sketch template

如图，在三棱锥P ABC中，AB=BC=2√ 2，PA=PB=PC=AC=4，O为AC的中点（1）证明：PO⊥ 平面ABC；（2）若点M在棱 sketch template

如图已知四棱锥P ABCD中底面ABCD是直角梯形ABCDABC=45°DC=1AB=2PA平面ABCDPA=1 1求证 sketch template

侧面是全等的等腰三角形的棱锥是 A．正棱锥 B．侧棱长相等的棱锥 C．斜高长相等的棱锥 D．以上均不对——青夏教育精英家教�—— sketch template

下面有四个�题1各个侧面都是等腰三角形的棱锥是正棱锥2三条侧棱都相等的棱锥是正棱锥3底面是正三角形的棱锥是正三棱锥4 sketch template

三角锥和三棱锥图形三角锥三视图三棱锥的三视图第10页大山谷图库 sketch template

如图所示在三棱锥P ABC中PA⊥平面ABC E为AC的中点 1求异面直线BE与PC所成角的余弦值 2求二面角P BE C sketch template

14． 三棱锥P ABC的四个顶点点在同一球面上若PA⊥底面ABC底面ABC是直角三角形PA=2 AC=BC=1则此球的表面积为 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

如图已知四棱锥P ABCDPA⊥平面ABCD底面ABCD为直角梯形∠A=90°且AB//CDAB=CD 1点F在线段PC上运动 sketch template

如图在四棱锥P ABCD中底面ABCD为直角梯形AD∥BC∠ADC=90°平面PAD⊥底面ABCDQ为AD的中点PA=PD=2 sketch template

如图已知四棱锥P ABCD中底面ABCD是直角梯形ABCDABC=45°DC=1AB=2PA平面ABCDPA=1 1求证 sketch template

如图，在四棱锥中，底面是梯形，，侧面是等边三角形，侧面是等腰直角三角形， sketch template

如图已知四棱锥P ABCDPA⊥平面ABCD底面ABCD为直角梯形∠A=90°且AB//CDAB=CD 1点F在线段PC上运动 sketch template

如图所示四棱锥P ABCD的底面ABCD是边长为a的正方形侧棱PA=a PB=PD=a则它的5个面中互相垂直的面有对——青夏教育 sketch template

如图已知四棱锥P ABCD中底面ABCD是直角梯形ABCDABC=45°DC=1AB=2PA平面ABCDPA=1 1求证 sketch template

如图已知四棱锥P ABCD的底面为直角梯形AB∥CD∠DAB=90°PA⊥底面ABCD且PA=AD=DC=12AB=1M是PB的 sketch template

如图在四棱锥P ABCD中PA⊥底面ABCDAB⊥ADBC∥ADPA=AB=BC=2AD=4．1求四棱锥P ABCD的体积2 sketch template

20．如图在四棱锥p ABCD中底面ABCD是一直角梯形∠BAD=90°AD∥BCAB=BC=aAD=2a且PA⊥底面ABCD sketch template

20．如图在四棱锥p ABCD中底面ABCD是一直角梯形∠BAD=90°AD∥BCAB=BC=aAD=2a且PA⊥底面ABCD sketch template

如图已知四棱锥S ABCD的底面是直角梯形AB∥DC∠DAB=90°SA⊥底面ABCD且SA=AD=DC=12AB=1M是SB的中点 sketch template

如图，在四棱锥P ABCD中，底面ABCD是平行四边形，∠BCD=120°，侧面PAB⊥底面ABCD，PB=2√6，AB=AC=PA=2√3 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在四棱锥P ABCD中底面ABCD是正方形侧面PAD⊥底面ABCD且PA=PD=AD=2EF分别为PCBD的中点．Ⅰ sketch template

已知四棱锥如图5 1所示，其三视图如图5 2所示，其中正视图和侧视图都是直角三角形，俯视图是矩形 1求此四棱锥的体积； 2若E是PD sketch template

如图已知四棱锥P ABCD中底面ABCD是直角梯形ABCDABC=45°DC=1AB=2PA平面ABCDPA=1 1求证 sketch template

如图，已知多面体的底面为直角梯形，四边形为矩形，且 高途 sketch template

19．如图四棱锥S ABCD的底面是直角梯形∠ABC＝∠BCD＝90°AB＝BC＝SB＝SC＝2CD＝2侧面SBC⊥底面ABCD sketch template

如图，四棱锥的底面是直角梯形，，平面是的中点，与平面交于点 sketch template

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