如图1，在正方形中，点、分别是、的中点，、相交于点，则可得得结论：�；�。不需要证明。 1如图2，若点、不是正方形的边的中点，但满足 Sketch Coloring Page

如图1，在正方形中，点、分别是、的中点，、相交于点，则可得得结论：�；�。不需要证明。 1如图2，若点、不是正方形的边的中点，但满足 Template

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sketch #4176 Eye by Jawad Kallou

anonymous

anonymous
sketch #4176 Eye by Jawad Kallou

sketch #4152

Nujie C Nobita
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sketch #378 Guess what flag?
ɔılqndǝɹ ɥɔǝzϽ

anonymous

anonymous
sketch #378 Guess what flag? ɔılqndǝɹ ɥɔǝzϽ

sketch #5087

anonymous

anonymous
sketch #5087

sketch #5117

anonymous

anonymous
sketch #5117

sketch #3743 Just for fun

Jay Lantz
sketch #3743 Just for fun

sketch #1287 No smoke

anonymous

anonymous
sketch #1287 No smoke

sketch #2598

sketchmaster
sketch #2598

sketch #5155

anonymous

anonymous
sketch #5155

sketch #3749 Girl Ari Rainbow

anonymous

anonymous
sketch #3749 Girl Ari Rainbow

sketch #3818 เดียวจะวาดใหม่ยังไม่เสร็จๆ

anonymous

anonymous
sketch #3818 เดียวจะวาดใหม่ยังไม่เสร็จๆ

sketch #5256

anonymous

anonymous
sketch #5256

sketch #4522 Adventure Time by KiNg Buamir

anonymous

anonymous
sketch #4522 Adventure Time by KiNg Buamir

sketch #78 Dino-Roar

Rachel Roe
sketch #78 Dino-Roar

sketch #119

Johnny B. Goode
sketch #119

sketch #1199

Jesus Ariel Valencia Mendez
sketch #1199

sketch #953

anonymous

anonymous
sketch #953

sketch #5201 Ponyta by WatasHi Satemura Oke

anonymous

anonymous
sketch #5201 Ponyta by WatasHi Satemura Oke

sketch #3365 Igor by Johan Kennet Espinoza Moreno

anonymous

anonymous
sketch #3365 Igor by Johan Kennet Espinoza Moreno

sketch #3236 Sunset by Aaron Bahary

anonymous

anonymous
sketch #3236 Sunset by Aaron Bahary

sketch #2017 HEYOO

anonymous

anonymous
sketch #2017 HEYOO

sketch #4661 Woodpecker by Hsien-Ying Hsieh

anonymous

anonymous
sketch #4661 Woodpecker by Hsien-Ying Hsieh

sketch #1700

Laura Agapi Asnicar
sketch #1700

sketch #3268 Werewolf by Mert Arda Yiğit

anonymous

anonymous
sketch #3268 Werewolf by Mert Arda Yiğit

sketch #132

anonymous

anonymous
sketch #132

sketch #313 Uchiha Sasuke

anonymous

anonymous
sketch #313 Uchiha Sasuke

sketch #3683 Hellboy by Loai Issa

anonymous

anonymous
sketch #3683 Hellboy by Loai Issa

sketch #3693 Lucy from Elfen Lied by Simona Honigmelone

anonymous

anonymous
sketch #3693 Lucy from Elfen Lied by Simona Honigmelone

sketch #5306 Katarina by Mirnes Sinanovic

anonymous

anonymous
sketch #5306 Katarina by Mirnes Sinanovic

sketch #3695

Mahmed Alhaj
sketch #3695

tomski如图1，在正方形中，点、分别是、的中点，、相交于点，则可得得结论：�；�。不需要证明。 1如图2，若点、不是正方形的边的中点，但满足 coloring

如图1，在正方形中，点、分别是、的中点，、相交于点，则可得得结论：�；�。不需要证明。 1如图2，若点、不是正方形的边的中点，但满足 sketch template

如图1在正方形ABCD中点E是CD的中点点F是BC边上一点且∠BAF=∠EAD．1求证EF⊥AE2将“正方形 改成“矩形 sketch template

题目如图1在正方形中点是对角线上任意一点不与重合点是的中点连接过点作交直线于点．初步感知当点与点重合时比较选填 sketch template

如图1正方形ABCD中点O为对角线AC的中点点P在直线上AC作直线BP分别作AE⊥BPCF⊥BP垂足分别为点E点F．1求证 sketch template

在正方形ABCD中点P是CD边上一动点连接PA分别过点BD作BE⊥PADF⊥PA垂足分别为EF．1如图�请探究BEDF sketch template

如图1，在正方形ABCD中，点E，F分别在边AB，AD上，且AE=AF，延长FD到点G，使得DG=DF，连接EF，GE，CE．【特例感知�（1 sketch template

题目如图在正方形ABCD中对角线AC与BD相交于点O点E是BC上的一个动点连接DE交AC于点F．1如图�当时求 的值 sketch template

题目如图1在正方形ABCD中点E是AB边上的一个动点点E与点AB不重合连接CE过点B作于点G交AD于点F．1求证 sketch template

题目如图1在正方形ABCD中点O是对角线BD的中点．1观察猜想将图1中的 BCD绕点O逆时针旋转至图2中 ECF的位置连接AC sketch template

如图1在正方形ABCD中点E为边BC上一点将 ABE沿AE翻折得 AHE延长EH交边CD于F连接AF．1求证∠EAF=45 sketch template

如图1在平面直角坐标系中边长为1的正方形OABC的顶点B在y轴的正半轴上O为坐标原点．现将正方形OABC绕O点按顺时针方�旋转．1当 sketch template

题目如图1在正方形ABCD中AD=6点P是对角线BD上任意一点连接PAPC过点P作PE⊥PC交直线AB于点E1求证 sketch template

圆的透视为正椭圆（一）知乎 sketch template

题目如图正方形OABC的面积为4点O为坐标原点点B在函数yk sketch template

难点解析丨正方形中的动点问题知乎 sketch template

（1）如图1，正方形�格中，点A，B，C，D为格点，AB交CD于点O．则sin∠AOC=．（2）如图2，点P是线段AB上的动点，分别以AP sketch template

如图1在正方形ABCD和正方形BEFG中点ABE在同一条直线上P是线段DF的中点连接PGPC．1在图1中请你通过观察测量 sketch template

题目如图在正方形ABCD中P是边BC上的一动点不与点BC重合点B关于直线AP的对称点为E连接AE连接DE并延长交射线AP于 sketch template

如图在正方形ABCD中点EF分别在CDBC上且BF=CE连接BEAF相交于点G则下列结论不正确的是 A．BE=AFB．∠ sketch template

如图所示用大小相等的小正方形拼大正方形拼第一个正方形需要4个小正方形拼第二个正方形需要9个小正方形 拼一拼想一想按照这样的方法拼成的 sketch template

百度教育 sketch template

如图，在正方形ABCD中，E、F、G、H分别为AB、CD、BC、AD上的点，EF与GH相交于点P，且EF⊥ GH，连接EG、GF、FH、HE sketch template

题目如图1在正方形ABCD中AD=6点P是对角线BD上任意一点连接PAPC过点P作PE⊥PC交直线AB于点E1求证 sketch template

如图在正方形ABCD中点E为对角线AC上的一点连接BEDE．1如图1求证 BCE≌ DCE2如图2延长BE交直线CD于 sketch template

如图1在边长为a的大正方形中剪去一个边长为b的小正方形再将图中的阴影剪拼成一个长方形如图2这个拼成的长方形的长为30宽为20．求图2 sketch template

如图1是由边长为3和4的两个正方形拼成的图形将将该图剪成如图所示序号分别为��的五部分再将它拼成一个大正方形．1大正方形的 sketch template

如图，在中，对角线AC，BD相交于点O， sketch template

百度教育 sketch template

如图在正方体ABCD ABCD中O是底面正方形ABCD中心M是DD的中点N是AB上的动点则直线ONAM的位置关系是 A平行 sketch template

百度教育 sketch template

如图正方形ABCD的边长为a分别以正方形的四个顶点为圆心边长为半径在正方形内画弧求图中阴影部分的面积．题目和参考答案——青夏教育 sketch template

（1）【�现证明�问题：如图1，在正方形ABCD中，点E、F分别是BC、CD边上的动点，且∠EAF=45°，求证：EF=DF BE．观察：EF sketch template

如图在正方形ABCD中P是CD上一动点使三角形的直角顶点与点P重合并且一条直角边始终经过点B另一直角边与正方形的某一边所在直线相交于 sketch template

如图1，一个边长为6的正方形被分割成四个完全相同的直角三角形和一个阴影小正方形（无缝隙、不重叠），现将这四个直角三角形分别沿着正方形四条边� 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=2EF分别为PCBD的中点．Ⅰ sketch template

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