如图四棱锥p Abcd中底面四边形abcd是正方形侧面pdc是边长为a的正三角形且平面pdc⊥底面abcde为pc的中点 ——青夏 Sketch Coloring Page

如图四棱锥p Abcd中底面四边形abcd是正方形侧面pdc是边长为a的正三角形且平面pdc⊥底面abcde为pc的中点 ——青夏 Template

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sketch #2206

anonymous

anonymous
sketch #2206

sketch #251

Tom Kelly
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sketch #3693 Lucy from Elfen Lied by Simona Honigmelone

anonymous

anonymous
sketch #3693 Lucy from Elfen Lied by Simona Honigmelone

sketch #2982 Lion by Ati Gohary

anonymous

anonymous
sketch #2982 Lion by Ati Gohary

sketch #2087 zay lin

Zay Lin
sketch #2087 zay lin

sketch #5140 Jigsaw by Lajla Nygaard Laursen

anonymous

anonymous
sketch #5140 Jigsaw by Lajla Nygaard Laursen

sketch #3399 zay lin

Zay Lin
sketch #3399 zay lin

sketch #3538

anonymous

anonymous
sketch #3538

sketch #4904

anonymous

anonymous
sketch #4904

sketch #5269

anonymous

anonymous
sketch #5269

sketch #3174 John Snow Helga Fon Stein

anonymous

anonymous
sketch #3174 John Snow Helga Fon Stein

sketch #20471

anonymous

anonymous
sketch #20471

sketch #4891 Pikachu by Resul Danacı

anonymous

anonymous
sketch #4891 Pikachu by Resul Danacı

sketch #4601 PSY Gentleman by Luis Daniel Sanchez Ramirez

anonymous

anonymous
sketch #4601 PSY Gentleman by Luis Daniel Sanchez Ramirez

sketch #2308

anonymous

anonymous
sketch #2308

sketch #5211

anonymous

anonymous
sketch #5211

sketch #33 Flutter-bys

Rachel Roe
sketch #33 Flutter-bys

sketch #4480 ZOMBIE by Rubel Parvez

anonymous

anonymous
sketch #4480 ZOMBIE by Rubel Parvez

sketch #5116 Bleach by Vrushali Rane

anonymous

anonymous
sketch #5116 Bleach by Vrushali Rane

sketch #5054 Angelina Jolie by Hailey So Pretty

anonymous

anonymous
sketch #5054 Angelina Jolie by Hailey So Pretty

sketch #878

Laura Agapi Asnicar
sketch #878

sketch #4087 Stewie by Leon Soria Ricardo

anonymous

anonymous
sketch #4087 Stewie by Leon Soria Ricardo

sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

anonymous

anonymous
sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )

sketch #4829

anonymous

anonymous
sketch #4829

sketch #5052 Gorillaz by Rafał Dawid

anonymous

anonymous
sketch #5052 Gorillaz by Rafał Dawid

sketch #5100 Shadow by An Nguyen

anonymous

anonymous
sketch #5100 Shadow by An Nguyen

sketch #5171

anonymous

anonymous
sketch #5171

sketch #4475 Daft Punk by Reggie Garcia

anonymous

anonymous
sketch #4475 Daft Punk by Reggie Garcia

sketch #302

Chrystal Smith
sketch #302

sketch #1116

Joselynn Ann Gossette
sketch #1116

tomski如图四棱锥p abcd中底面四边形abcd是正方形侧面pdc是边长为a的正三角形且平面pdc⊥底面abcde为pc的中点 ——青夏 coloring

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

百度教育 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

2019年高考真题理�数学北京卷百度题库 sketch template

如图所示四棱锥P ABCD中底面ABCD是正方形PA⊥底面ABCDPA=AB=2点F是PB的中点点E在棱BC上移动．1当E为 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，底面ABCD是边长为1的正方形，PA⊥底面ABCD，点M是棱PC的中点，AM⊥平面PBD．（1）求四棱锥P sketch template

四棱锥 360百� 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

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

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

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侧面底面ABCD底面ABCD是菱形侧面PAD是等边三角形且PB与面PAD所成角为1求四棱锥P sketch template

11 12 高三数学小题专项训练8——青夏教育精英家教�—— sketch template

如图，在四棱锥P ABCD中，侧面PAD⊥ 底面ABCD，侧棱PA=PD=√2，底面ABCD为直角梯形，其中BC//AD，AB⊥ AD，AD 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

百度教育 sketch template

如图四棱锥P ABCD中底面ABCD为矩形PA⊥平面ABCDE为PD的中点．1证明PB∥平面AEC2设AP=AB=1AD 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，在四棱锥 中， 底面 ，底面 是等腰梯形，，，E是PB上一点，且 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

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

如图四棱锥P ABCD中PD⊥平面ABCD底面ABCD是正方形PD=AB=2E为PC中点．1求证DE⊥平面PCB2求点C 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

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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PA⊥底面ABCDAD∥BCAB⊥ADAC与BD交于点OPA=3AD=2AB=23BC=6．Ⅰ sketch template

如图，在四棱锥P ABCD中，底面ABCD为菱形，∠ABC=60°，又PA⊥底面ABCD，E为BC的中点．（1）求证：AD⊥PE；（2）设F是 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

如图四棱锥P ABCD中底面ABCD是边长为2的正方形PB⊥BCPD⊥CD且PA=2E为PD中点．1求二面角B EC A的正弦 sketch template

如图在长方体ABCD A1B1C1D1中已知AB=4AD=3AA1=2E是线段AB上的点且EB=1则二面角C DE C1的正切值 sketch template

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