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abcd——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abcd——青夏教育 Template

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anonymous

anonymous
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sketch #3769 The Beatles by يآآسر محمد

anonymous

anonymous
sketch #3769 The Beatles by يآآسر محمد

sketch #2636 Robitina by sketchmaster

sketchmaster
sketch #2636 Robitina by sketchmaster

sketch #4622 Miku by Kheith Ryan Lubiano

anonymous

anonymous
sketch #4622 Miku by Kheith Ryan Lubiano

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BaGaz Anggara
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sketch #4997 Rafael Leite Jose Rondon

anonymous

anonymous
sketch #4997 Rafael Leite Jose Rondon

sketch #2459 funky afro

sketchmaster
sketch #2459 funky afro

sketch #2959 manga girl blue hair

anonymous

anonymous
sketch #2959 manga girl blue hair

sketch #4549

anonymous

anonymous
sketch #4549

sketch #1439

Donara Smbatyan
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sketch #4589

anonymous

anonymous
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sketch #4916

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sketch #2939 Eye by Kimmy Kitty Perry Priemus

anonymous

anonymous
sketch #2939 Eye by Kimmy Kitty Perry Priemus

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sketch #5340 Amazing Dragon

anonymous

anonymous
sketch #5340 Amazing Dragon

sketch #1470

Laura Agapi Asnicar
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sketch #4895 Cat by Gaurav Patel

anonymous

anonymous
sketch #4895 Cat by Gaurav Patel

sketch #5324 Angelina Jolie - Maleficent by Lucas Fajardo

anonymous

anonymous
sketch #5324 Angelina Jolie - Maleficent by Lucas Fajardo

sketch #3410

anonymous

anonymous
sketch #3410

sketch #1504 donara

Donara Smbatyan
sketch #1504 donara

sketch #3360

anonymous

anonymous
sketch #3360

sketch #5086 Lion by Z Ionut Ady

anonymous

anonymous
sketch #5086 Lion by Z Ionut Ady

sketch #3145 Madoka by Николай Герасимов

anonymous

anonymous
sketch #3145 Madoka by Николай Герасимов

sketch #2620 goblin man

sketchmaster
sketch #2620 goblin man

sketch #3919 this is not my best but i did it because it looks very cool

anonymous

anonymous
sketch #3919 this is not my best but i did it because it looks very cool

sketch #3786

anonymous

anonymous
sketch #3786

sketch #1199

Jesus Ariel Valencia Mendez
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sketch #1440 donara

Donara Smbatyan
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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abcd——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ABCD——青夏教育 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

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

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

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

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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

如图已知四棱锥P ABCD中底面ABCD是直角梯形ABCDABC=45°DC=1AB=2PA平面ABCDPA=1 1求证 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ABCD——青夏教育 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

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

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

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

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

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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

如图已知四棱锥S ABCD的侧面SCD⊥底面ABCDBC∥ADBC⊥SC且SC=SD=CD=BC=2AD =2P为SB的中点求 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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//CDAB=CD 1点F在线段PC上运动 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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在四棱锥P ABCD中PA⊥平面ABCD底面ABCD为平行四边形且AB=1BC=2EF分别为ADBC的中点．I求证 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已知四棱锥P ABCD中底面ABCD是直角梯形ABCDABC=45°DC=1AB=2PA平面ABCDPA=1 1求证 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四棱锥P ABCD中底面ABCD是直角梯形ABCDABC=45°DC=1AB=2PA平面ABCDPA=1 1求证 sketch template

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