两个相同的正四棱锥底面重合组成一个八面体可放于棱长为1的正方体中重合的底面与正方体的某一个面平行各顶点均在正方体的表面上把满足上述条件 Sketch Coloring Page

两个相同的正四棱锥底面重合组成一个八面体可放于棱长为1的正方体中重合的底面与正方体的某一个面平行各顶点均在正方体的表面上把满足上述条件 Template

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sketch #4279 Winnie the Pooh by Douglas Dalmora

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sketch #4279 Winnie the Pooh by Douglas Dalmora

sketch #3036 Wiz Khalifa by Malyi Link

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anonymous
sketch #3036 Wiz Khalifa by Malyi Link

sketch #4974 Eminem by Juan Garcia

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sketch #4974 Eminem by Juan Garcia

sketch #5125

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sketch #5125

sketch #519 The Joker

Tom Kelly
sketch #519 The Joker

sketch #302

Chrystal Smith
sketch #302

sketch #1216

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anonymous
sketch #1216

sketch #5237 Gotye by Jhonatan Soares

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sketch #5237 Gotye by Jhonatan Soares

sketch #933 mts

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sketch #933 mts

sketch #2035 Ernest Hemingway...
chayrolfrypan

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sketch #2035 Ernest Hemingway... chayrolfrypan

sketch #1145

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anonymous
sketch #1145

sketch #5138 Monster by Leonie Cooper

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sketch #5138 Monster by Leonie Cooper

sketch #5141

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anonymous
sketch #5141

sketch #4987

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sketch #4987

sketch #3769 The Beatles by يآآسر محمد

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sketch #3769 The Beatles by يآآسر محمد

sketch #5220

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anonymous
sketch #5220

sketch #4190

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sketch #4190

sketch #3575 Stitch by Laura Gutierrez Hinojosa

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sketch #3575 Stitch by Laura Gutierrez Hinojosa

sketch #5117

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sketch #5117

sketch #2072

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anonymous
sketch #2072

sketch #4558

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anonymous
sketch #4558

sketch #5264

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sketch #5264

sketch #3803

Laura Agapi Asnicar
sketch #3803

sketch #2806 Puppy love by Sam Torres

Sam Torres
sketch #2806 Puppy love by Sam Torres

sketch #3589 Cheshire Cat by Helen Besley

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sketch #3589 Cheshire Cat by Helen Besley

sketch #3439 Aralé by Malyi Link

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sketch #3439 Aralé by Malyi Link

sketch #5093 Pedro Henrique Jordan Coquet

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sketch #5093 Pedro Henrique Jordan Coquet

sketch #3732 Michael Jackson by David Obando

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sketch #3732 Michael Jackson by David Obando

sketch #1668 SUNSET

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sketch #1668 SUNSET

sketch #5078 Naruto by Shimun Yeyo Ahmed

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sketch #5078 Naruto by Shimun Yeyo Ahmed

tomski两个相同的正四棱锥底面重合组成一个八面体可放于棱长为1的正方体中重合的底面与正方体的某一个面平行各顶点均在正方体的表面上把满足上述条件 coloring

两个相同的正四棱锥底面重合组成一个八面体可放于棱长为1的正方体中重合的底面与正方体的某一个面平行各顶点均在正方体的表面上把满足上述条件 sketch template

两相同的正四棱锥组成如图所示的几何体可放棱长为1的正方体内使正四棱锥的底面ABCD与正方体的某一个平面平行且各顶点均在正方体的面上则 sketch template

正四棱锥图册 360百� sketch template

深入浅出数学系列立体几何（4）：球的切接问题（上）知乎 sketch template

$底面边长和侧棱长均为2的正四棱锥的体积为$frac{4sqrt{2}}{3}$．题目和参考答案——青夏教育精英家教�—— sketch template$

14．已知正四棱锥P ABCD的高为4侧棱与底面所成的角为600则该正四棱锥的侧面积是．——青夏教育精英家教�—— sketch template

已知正四棱锥底面正方形的边长为4高与斜高的夹角为30°求正四棱锥的侧面积全面积体积．题目和参考答案——青夏教育精英家教�—— sketch template

正四棱锥的顶点都在同一球面上，若该棱锥的高为4，底面边长为2，则该球的表面积为81π481π4 百度知道 sketch template

初学讲义之高中数学二十：简单几何体 知乎 sketch template

正四棱锥S ABCD的侧棱长为底面边长为E是SA的中点则异面直线BE和SC所成的角等于 A．30° B45° C60° D90 sketch template

12．如图所示在四棱锥P ABCD中底面ABCD是矩形PA＝AB＝2BC＝a又侧棱PA⊥底面ABCD 1当a为何值时BD⊥ sketch template

已知正四棱锥底面正方形的边长为4cm高与斜面的夹角为30°如图所示求正四棱锥的侧面积和表面积单位cm2．题目和参考答案——青夏 sketch template

已知在四棱锥中，底面为正方形，侧棱平面，点为中点，高途 sketch template

81 基本立体图形1 棱柱、棱锥、棱台湛江贵哥讲数学博客园 sketch template

已知正三棱锥P－ABC的底面边长为6，其内切球的半径为1，则此三棱锥的高为． sketch template

如图，四棱锥的底面是正方形，底面，点在棱上．高途 sketch template

81 基本立体图形1 棱柱、棱锥、棱台湛江贵哥讲数学博客园 sketch template

有什么有趣的数学题？知乎 sketch template

一个四棱锥的底面为正方形其直观图与三视图如图所示则二面角P DC A的正弦值为 ABCD——青夏教育精英家教�—— sketch template

如图，在四棱锥S ABCD中，底面ABCD是正方形，SA⊥底面ABCD，SA=AB，点M是SD的中点，AN⊥SC且交SC于点N．（1）求证 sketch template

正三棱锥的高为1，底面边长为2√6，内有一个球与它的四个面都相切，求：三棱锥的表面积．内切球的半径．百度教育 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

正三棱锥 知乎 sketch template

如图，在四棱锥P ABCD中，底面ABCD是平行四边形，侧面PBC是正三角形，E是PB的中点，且AE⊥ 平面PBCⅠ证明：PD∥平面 sketch template

正四棱锥的底面在球O的大圆面上顶点在球面上已知球的体积为则正四棱锥的体积的最大值为 ——青夏教育精英家教�—— sketch template

已知四棱锥的底面是矩形底面点分别是棱中点则 �棱与所在直线垂直 �平面与平面垂直 �的面积大于的面积 �直线与直线是异面直线以上结论 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

四棱锥 360百� sketch template

如图在四棱锥P ABCD中底面ABCD是矩形侧棱PA垂直于底面EF分别是ABPC的中点 1求证CD⊥PD 2求证 sketch template

如图所示，底面边长为的正四棱锥被平行于其底面的平面高途 sketch template

有一个正六棱锥底面为正六边形侧面为全等的等腰三角形的棱锥底面边长为3cm高为3cm画出这个正六棱锥的直观图．题目和参考答案——青 sketch template

在四棱锥P ABCD中AD⊥ABCD∥ABPD⊥底面ABCD直线PA与底面ABCD成60°角点MN分别是PAPB的中点． 1 sketch template

棱锥 百度百� sketch template

一个正六面体的各个面和一个正八面体的各个面都是边长为a的正三角形这样的两个多面体的内切球的半径之比是一个最简分数那么积m•n是．题目和 sketch template

从正八面体，构建：正四面体，正方体，正二十面体 sketch template

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