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abcd——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abcd——青夏教育 Template

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sketch #5115

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anonymous
sketch #5115

sketch #3676 Sceptical horse by Koes Maung

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sketch #3676 Sceptical horse by Koes Maung

sketch #3457

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anonymous
sketch #3457

sketch #3707 The Thinker

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anonymous
sketch #3707 The Thinker

sketch #5185

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sketch #5185

sketch #3390 Beautiful drawing by Jessie Lightwood

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sketch #3390 Beautiful drawing by Jessie Lightwood

sketch #1455 donara

Donara Smbatyan
sketch #1455 donara

sketch #5369 Wolverine by ShopRasta Roots

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sketch #5369 Wolverine by ShopRasta Roots

sketch #5039

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sketch #5039

sketch #2616 Green Day by sketchmaster

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sketch #2616 Green Day by sketchmaster

sketch #5280

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anonymous
sketch #5280

sketch #3662 Angel by Alexander Volodimirovich Danilchenko

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sketch #3662 Angel by Alexander Volodimirovich Danilchenko

sketch #2638 Cliff cool

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sketch #2638 Cliff cool

sketch #3581 Dante

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sketch #3581 Dante

sketch #3280 Adventure Time by Alina Danielle

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sketch #3280 Adventure Time by Alina Danielle

sketch #2318

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anonymous
sketch #2318

sketch #3083 Great illustration Ali Hänel

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sketch #3083 Great illustration Ali Hänel

sketch #3695

Mahmed Alhaj
sketch #3695

sketch #5261

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anonymous
sketch #5261

sketch #2457 cool beans brother

sketchmaster
sketch #2457 cool beans brother

sketch #3974 Bird Skerch w/ vibration

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anonymous
sketch #3974 Bird Skerch w/ vibration

sketch #5186

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sketch #5186

sketch #3092

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sketch #3092

sketch #1219

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sketch #1219

sketch #4895 Cat by Gaurav Patel

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sketch #4895 Cat by Gaurav Patel

sketch #5178 Mewtwo and Transformation by Riley Hart

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sketch #5178 Mewtwo and Transformation by Riley Hart

sketch #921 comics ufo

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sketch #921 comics ufo

sketch #5116 Bleach by Vrushali Rane

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sketch #5116 Bleach by Vrushali Rane

sketch #674

Rachel Roe
sketch #674

sketch #2723 by Sam Torres

Sam Torres
sketch #2723 by Sam Torres

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abcd——青夏教育 coloring

初学讲义之高中数学二十：简单几何体知乎 sketch template

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ABCD——青夏教育 sketch template

高中数学第一册上棱锥 Word文档在线阅读与下载无忧文档 sketch template

三棱锥专题 Word文档在线阅读与下载免费文档 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

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

如果三棱锥的三条斜高相等则三棱锥的顶点在底面上的射影是底面三角形的内心．题目和参考答案——青夏教育精英家教�—— sketch template

$若三棱锥S ABC的底面是以AB为斜边的等腰直角三角形AB=2SA=SB=SC=2则该三棱锥的外接球的表面积为 A．$frac sketch template$

已知三棱锥P ABC中顶点P在底面的射影O是三角形ABC的内心关于这个三棱锥有三个�题�侧棱PA=PB=PC�侧棱PAPBPC两两 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

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

如图在三棱锥P ABC中PA=PB=PC=AC=4AB=BC=2．1若点P在底面ABC内的射影是点O试指出点O的位置并说明理由 sketch template

如图，已知正三棱锥P ABC的侧面是直角三角形，PA=6，顶点P在平面ABC内的正投影为点D，D在平面PAB内的正投影为点E，连接PE并延长交 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

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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

2．如图正三棱锥P ABC顶点P在底面上的射影在ΔABC内部M是侧面PAB上的点且M到点P的距离等于M到底面的距离则点M的轨迹是 sketch template

四棱锥图片直观图三棱锥和四棱锥图片四棱锥图片素描图片大山谷图库 sketch template

正三棱锥 360百� 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PA⊥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ABCDQ为AD的中点PA=PD=2 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ABCD——青夏教育 sketch template

如图已知四棱锥P ABCDPA⊥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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 ABCD中底面ABCD是直角梯形ABCDABC=45°DC=1AB=2PA平面ABCDPA=1 1求证 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

如图已知在四棱锥P ABCD中底面ABCD是边长为4的正方形 PAD是正三角形EFG分别是PDPCBC的中点．1求证直线 sketch template

四棱锥 360百� sketch template

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

如图已知四棱锥S ABCD的侧面SCD⊥底面ABCDBC∥ADBC⊥SC且SC=SD=CD=BC=2AD =2P为SB的中点求 sketch template

如图已知六棱锥的底面是正六边形平面则下列结论正确的是 直线∥平面平面平面直线与平面所成的角为——青夏教育精英家教�—— 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

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