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 #5182 Inuyasha by Sepp Herberger

anonymous

anonymous
sketch #5182 Inuyasha by Sepp Herberger

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anonymous

anonymous
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sketch #5139 Sick Sick Six Urs Stefan

anonymous

anonymous
sketch #5139 Sick Sick Six Urs Stefan

sketch #5313 Katy Perry by Monalisa Theresia

anonymous

anonymous
sketch #5313 Katy Perry by Monalisa Theresia

sketch #5072

anonymous

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sketch #3367 Ichigo by Szymon Broszczak

anonymous

anonymous
sketch #3367 Ichigo by Szymon Broszczak

sketch #5209

anonymous

anonymous
sketch #5209

sketch #2625 Dragon by sketchmaster

sketchmaster
sketch #2625 Dragon by sketchmaster

sketch #970 Depression

anonymous

anonymous
sketch #970 Depression

sketch #3208 ELETR by Raimundo Santos

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anonymous
sketch #3208 ELETR by Raimundo Santos

sketch #4905 The Little Prince by Gaurav Patel

anonymous

anonymous
sketch #4905 The Little Prince by Gaurav Patel

sketch #314 Butterfly

anonymous

anonymous
sketch #314 Butterfly

sketch #819

Laura Agapi Asnicar
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sketch #3818 เดียวจะวาดใหม่ยังไม่เสร็จๆ

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anonymous
sketch #3818 เดียวจะวาดใหม่ยังไม่เสร็จๆ

sketch #1226 the man

anonymous

anonymous
sketch #1226 the man

sketch #4 Nirvana Smiley

Tom Kelly
sketch #4 Nirvana Smiley

sketch #4868 Pokemons! by Ammed Hjb

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anonymous
sketch #4868 Pokemons! by Ammed Hjb

sketch #3381 DBZ by Adidtzu Ady

anonymous

anonymous
sketch #3381 DBZ by Adidtzu Ady

sketch #3803

Laura Agapi Asnicar
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sketch #5219 Zayn Malik by Amila Madhushanaka

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anonymous
sketch #5219 Zayn Malik by Amila Madhushanaka

sketch #5051

anonymous

anonymous
sketch #5051

sketch #4646 Panda by Raimundo Santos

anonymous

anonymous
sketch #4646 Panda by Raimundo Santos

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Laura Agapi Asnicar
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sketch #828 Were Fools

anonymous

anonymous
sketch #828 Were Fools

sketch #124 saurez

Tom Kelly
sketch #124 saurez

sketch #2729 Luffy by Jayme Sousa

Jayme Sousa
sketch #2729 Luffy by Jayme Sousa

sketch #2476 Asuna from SAO by sketchmaster

sketchmaster
sketch #2476 Asuna from SAO by sketchmaster

sketch #5279

anonymous

anonymous
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sketch #5080 Megaman Zero (X) by Muhammad Raiyaan

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anonymous
sketch #5080 Megaman Zero (X) by Muhammad Raiyaan

sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

anonymous

anonymous
sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

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

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

正三棱锥的高是多� 百度经验 sketch template

如图，三棱锥的底面是边长为的等边三角形，侧棱 ，设点分别为的中点 sketch template

三棱锥专题 Word文档在线阅读与下载免费文档 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

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 360百� 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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

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

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

棱柱、棱锥和棱台作业高中数学必修二苏教版含答案 Word文档在线阅读与下载免费文档 sketch template

11．底面边长为2的正三棱锥P ABC中E是BC的中点若 PAE的面积为则侧棱PA与底面所成角的正切值是 A．1 B． C． D．——青 sketch template

如图，平面四边形 ，将沿折起到的位置，此时二面角的大小为 连接则三棱锥外接球的表面积为；三棱锥的体积为 sketch template

已知正三棱柱ABC A1B1C1的底面边长为2高为4过BC作一截面截面与底面ABC成600角则截面面积是 A．4 B． C． D sketch template

如图所示侧面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以上均不对题目和参考答案——青夏教育精英 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，已知三棱柱ABC A1B1C1的底面是正三角形，侧面BB1C1C是矩形，M，N分别为BC，B1C1的中点，P为AM上一点，过B1C1和P 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所示在四棱锥S ABCD中底面ABCD是正方形侧棱SD⊥平面ABCDSD=DC点E是SC的中点作EF⊥SB交SB于点F．1 sketch template

如图，已知正三棱柱ABC A 1B 1C 1的所有棱长都为2，D为CC 1中点，E为BC的中点（1）求证：BD⊥ 平面AB 1E；（2）求三 sketch template

如图四棱锥P ABCD的底面ABCD为一直角梯形侧面PAD是等边三角形其中BA⊥ADCD⊥ADCD=2AD=2AB=2平面PAD⊥ 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，在四棱锥中，底面是边长为2的正方形，侧面是正三角形，侧面底面 ，平面平面 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

如图是一个四棱柱被一个平面所截的几何体，底面是正方形，M是的中点， sketch template

如图所示侧面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以上均不对题目和参考答案——青夏教育精英 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棱锥的底面是边长为4的正方形在底面上的射影落在正方形内的长为到的距离分别为和 是的中点． Ⅰ求证平面底面 Ⅱ设 sketch template

20．（12分）如图，四棱锥P ABCD的底面为正方形，PD⊥底面ABCD．设平面PAD与平面PBC的交线为l．（1）证明：l⊥平面PDC sketch template

如图在底面是菱形的四棱锥 P ABCD中∠ABC=60°PA⊥平面ABCD点EFG分别为CDPDPB的中点．PA=AD=2 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

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