如图四棱锥p abcd它的正视图如图1是等腰三角形侧视图如图2是等腰直角三角形俯视图如图3是正方形abcd各长度如图 Sketch Coloring Page

如图四棱锥p abcd它的正视图如图1是等腰三角形侧视图如图2是等腰直角三角形俯视图如图3是正方形abcd各长度如图 Template

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sketch #674

Rachel Roe
sketch #674

sketch #4386 Freddie Mercury by Павел Павлов

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anonymous
sketch #4386 Freddie Mercury by Павел Павлов

sketch #5159 Frank Briones Silvia Haynes

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anonymous
sketch #5159 Frank Briones Silvia Haynes

sketch #4937 Favorite animal competition runner-up: White Tiger by Deepak Kaushik

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sketch #4937 Favorite animal competition runner-up: White Tiger by Deepak Kaushik

sketch #3088 Billy from Saw by Naulian Ciko

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anonymous
sketch #3088 Billy from Saw by Naulian Ciko

sketch #2672

Fabio Sala
sketch #2672

sketch #20840 Dog by Laur Ūūtiis

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anonymous
sketch #20840 Dog by Laur Ūūtiis

sketch #4971 Rhianna by Isaiah Fantisy Godlike

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anonymous
sketch #4971 Rhianna by Isaiah Fantisy Godlike

sketch #4605 Goku by Jayme Sousa

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anonymous
sketch #4605 Goku by Jayme Sousa

sketch #297 Fish

Helyryn
sketch #297 Fish

sketch #5324 Angelina Jolie - Maleficent by Lucas Fajardo

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anonymous
sketch #5324 Angelina Jolie - Maleficent by Lucas Fajardo

sketch #2613

sketchmaster
sketch #2613

sketch #20471

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anonymous
sketch #20471

sketch #4710

anonymous

anonymous
sketch #4710

sketch #5102 Old Man by Cuong Pham

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anonymous
sketch #5102 Old Man by Cuong Pham

sketch #3496

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anonymous
sketch #3496

sketch #5347

anonymous

anonymous
sketch #5347

sketch #2784

John Davis
sketch #2784

sketch #5171

anonymous

anonymous
sketch #5171

sketch #2644 Purple bun

Rachel Roe
sketch #2644 Purple bun

sketch #5067

anonymous

anonymous
sketch #5067

sketch #3133 Skrillex by Asfa Sajid

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anonymous
sketch #3133 Skrillex by Asfa Sajid

sketch #84

Chris Shrimp Lonsdale
sketch #84

sketch #4895 Cat by Gaurav Patel

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anonymous
sketch #4895 Cat by Gaurav Patel

sketch #5087

anonymous

anonymous
sketch #5087

sketch #4984 Zombie by London Waterlilly

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anonymous
sketch #4984 Zombie by London Waterlilly

sketch #4685 Dave Mustaine by Erika Ishikawa

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anonymous
sketch #4685 Dave Mustaine by Erika Ishikawa

sketch #1435 donara

Donara Smbatyan
sketch #1435 donara

sketch #649

anonymous

anonymous
sketch #649

sketch #4385

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anonymous
sketch #4385

tomski如图四棱锥p abcd它的正视图如图1是等腰三角形侧视图如图2是等腰直角三角形俯视图如图3是正方形abcd各长度如图 coloring

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在四棱锥P—ABCD中PA⊥底面ABCDAB⊥ADAC⊥CD∠ABC=60°PA=AB=BCE是PC的中点1证明AE sketch template

如图在四棱锥P ABCD中底面ABCD为等腰梯形AB∥CDAD=BC=2对角线AC⊥BD于O∠DAO=60°且PO⊥平面ABCD sketch template

如图1由正四棱锥P ABCD和正四棱柱ABCD A1B1C1D1所组成的几何体的三视图如图2．1求证PC⊥平面A1BD2求点P到 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在四棱锥P ABCD中PA⊥平面ABCD底面ABCD是菱形PA=AB=2∠BAD=60°E是PA的中点1求证直线PC∥ sketch template

四棱锥的直观图正四棱锥的直观图画正四棱锥直观图第2页大山谷图库 sketch template

正四棱锥图册 360百� sketch template

百度教育 sketch template

【题目� 如图，在四棱锥 P ABCD 中，底面为正方形， PD ⊥平面，＝ AD 百度教育 sketch template

四棱锥俯视图正四棱锥的俯视图正视图侧视图俯视图 大山谷图库 sketch template

百度教育 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，在四棱锥P ABCD中，PA⊥ 平面ABCD，AD⊥ AB，AB∥ CD，AB=AD=AP= 1 2CD=2，E为PC的中点 sketch template

$如图四棱锥P ABCD中侧面PAD为等边三角形且垂直于底面ABCDAB=BC=$frac{1}{2}$AD∠BAD=∠ABC=90 sketch template$

如图在四棱锥P ABCD中底面ABCD是边长为2的正方形PA=PBPA⊥PBF为CE上的点且BF⊥平面PAC．Ⅰ求证平面 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

已知四棱锥P ABCD它的底面是边长为a的菱形且∠ABC＝120°PC⊥平面ABCD又PC＝aE为PA的中点． 1求证平面 sketch template

四棱锥 360百� sketch template

如图所示正四棱锥P ABCD的各棱长均为13MN分别为PABD上的点且PM∶MA=BN∶ND=5∶8 1求证直线MN∥平面 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ABCDSD=DC点E是SC的中点作EF⊥SB交SB于点F．1 sketch template

如图四棱锥P ABCD中PD⊥平面ABCDPD=DC=BC=1AB=2AB∥DC∠BCD=900 1求证PC⊥BC 2求 sketch template

如图在四棱锥P ABCD中ABCD是菱形PA⊥平面ABCD1求证BD⊥PC2若平面PBC与平面PAD的交线为l求证BC∥ sketch template

如图在四棱锥P ABCD中底面ABCD是边长为2的正方形PA=PBPA⊥PBF为CE上的点且BF⊥平面PAC．Ⅰ求证平面 sketch template

在正四棱锥P ABCD中PA＝2直线PA与平面ABCD所成的角为60°求正四棱锥P ABCD的体积V．题目和参考答案——青夏教育精英家教�—— sketch template

如图四棱锥P ABCD的底面ABCD是边长为2的菱形∠ABC=60°点MN分别为PBBC的中点且PA⊥平面ABCDAC与BD相交 sketch template

17． 如图所示在四棱锥P ABCD中∠ABC＝∠ACD＝90°∠BAC＝∠CAD＝60°PA⊥平面ABCDE为PD的中点PA sketch template

19．已知四棱锥P ABCD的底面ABCD的边长为1的正方形 PD⊥底面ABCD且PD=1 1求证BC//平面PAD 2若 sketch template

如图四棱锥P ABCD中PD⊥平面ABCD底面ABCD是正方形PD=AB=2E为PC中点．1求证DE⊥平面PCB2求点C sketch template

百度教育 sketch template

4．如图已知四边形ABCD是平行四边形点P是平面 ABCD外的一点则在四棱锥P ABCD中M是PC 的中点在DM上取一点G过G和 sketch template

如图所示正四棱锥P ABCD的各棱长均为13MN分别为PABD上的点且PM∶MA=BN∶ND=5∶8 1求证直线MN∥平面 sketch template

19．如图所示四棱锥P ABCD中底面ABCD为直角梯形点E在棱PA上且PE=2EA 1 求异面直线PA与CD所成的角 2 sketch template

19．如图所示四棱锥P ABCD的底面为直角梯形⊥平面E为AB中点 1求证平面⊥平面 2求直线与平面所成角的正弦值 sketch template

如图四棱锥P ABCD它的正视图如图1是等腰三角形侧视图如图2是等腰直角三角形俯视图如图3是正方形ABCD各长度如图 sketch template

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