如图，已知正方形abcd的边长为2，点e是边cd上的一动点，af平分∠bae交边bc于点f．（1）�当点f恰好是边bc的中点时，求线段de长 Sketch Coloring Page

如图，已知正方形abcd的边长为2，点e是边cd上的一动点，af平分∠bae交边bc于点f．（1）�当点f恰好是边bc的中点时，求线段de长 Template

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sketch #2874 Mario by Ahmed Hosny

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sketch #894 hmmm

tomski如图，已知正方形abcd的边长为2，点e是边cd上的一动点，af平分∠bae交边bc于点f．（1）�当点f恰好是边bc的中点时，求线段de长 coloring

百度教育 sketch template

如图，已知正方形ABCD的边长为2，点E是边CD上的一动点，AF平分∠BAE交边BC于点F．（1）�当点F恰好是边BC的中点时，求线段DE长 sketch template

已知正方形ABCD的边长为6点E在AD边上且AE=2连接BE点求DG的长度？知乎 sketch template

如图，在4x4的正方形�格中，每个小正方形的顶点称为格点，每个小正方形的边长均为1．在图�，图�中已画出线段AB，在图�中已画出点A．按下列 sketch template

百度教育 sketch template

题目如图已知正方形ABCD的边长是4点E是AB边上一动点连接CE过点B作BG⊥CE于点G点P是AB边上另一动点则PD PG的 sketch template

题目如图正方形ABCD的边长为12点E是射线BC上的一个动点连接AE并延长交射线DC于点F将 ABE沿直线AE翻折点B落在点B sketch template

如图是一个正方形分成四部分其面积分别 是a2abb2则原正方形的边长是 ABa bCa BD 题目和参考答案——青夏教育 sketch template

如图点P是正方形ABCD的对角线BD上一点PE⊥BCPF⊥CD垂足分别为点EF连接APEF给出下列四个结论�AP=EF�∠ sketch template

题目如图1已知点G在正方形ABCD的对角线AC上GE⊥BCGF⊥CD．1�求证四边形CEGF是正方形�推断的值为 sketch template

题目如图点E是边长为2的正方形ABCD的边BC上的一动点将 ABE沿AE翻折至 AFE的位置若 CDF是等腰三角形则BE sketch template

如图1，正方形ABCD与正方形AEFG的边AB、AE（AB＜AE）在一条直线上，正方形AEFG以点A为旋转中心逆时针旋转，设旋转角为 百度教育 sketch template

如图在正方形ABCD中点E为对角线AC上的一点连接BEDE．1如图1求证 BCE≌ DCE2如图2延长BE交直线CD于 sketch template

如图所示正方形ABCD的边长为10厘米EF分别为AB 及BC的中点．四边形BFGE的面积是 平方厘米．题目和参考答案——青夏教育精英家教�—— sketch template

如图正方形ABCD的边长为2点A与O重合点C在y轴上求正方形ABCD各顶点的坐标．题目和参考答案——青夏教育精英家教�—— sketch template

如图四边形EFGH的面积是66平方米．EA=ABCB=BFDC=CGHD=DA．求四边形ABCD的面积．题目和参考答案——青夏教育 sketch template

如图所示正方形导线框abcd的质量为m边长为l导线框的总电阻为R．导线框从垂直纸面�里的水平有界匀强磁场的上方某处由静止自由下落下落 sketch template

如图已知正方形ABCD以CD为边�外作等边三角形CDEBE与AC相交于点F求证EF=CF BF 百度教育 sketch template

如图在正方形ABCD中点EF分别在CDBC上且BF=CE连接BEAF相交于点G则下列结论不正确的是 A．BE=AFB．∠ sketch template

如图已知正方形ABCD的边CD在正方形DEFG的边DE上连接AEGC．1试猜想AE与GC有怎样的位置关系并证明你的结论．2将正 sketch template

如图已知大正方形的边长是a厘米小正方形的边长是b厘米．用字母表示阴影部分的面积是 平方厘米．题目和参考答案——青夏教育精英家教�—— sketch template

如图边长为3的正方形ABCD绕点C按顺时针方�旋转30°后得到的正 方形EFCGEF交AD于点H那么DH的长为 16已知方程有两个 sketch template

如图已知正方形ABCD的边长为2沿对角线AC将三角形ADC折起使平面ADC与平面ABC垂直折叠后BD两点的距离是 B sketch template

如图正方形ABCD的四个顶点分别在四条平行线l1l2l3l4上这四条直线中相邻两条之间的距离依次为h1h2h3h1＞0h2 sketch template

百度教育 sketch template

已知如图1两个大小一样的正方形是中心对称图形找出它们的对称中心如图2两个正方形有一个公共顶点P请画出这两个正方形绕着点P顺时针旋转 sketch template

题目已知正方形ABCD与正方形CEFGM是AF的中点连接DMEM．1如图1点E在CD上点G在BC的延长线上请判断DMEM sketch template

如图，在四边形ABCD中，对角线AC与BD交于点O，已知OA =OC，OB=OD，过点O作EF⊥ BD，分别交AB、DC于点E，F，连接DE sketch template

如图已知正方形边长为20厘米求阴影部分的面积．题目和参考答案——青夏教育精英家教�—— sketch template

如图，在平行六面体ABCD A 1B 1C 1D 1中，底面是边长为2的正方形，若∠ 1AB=∠ 1AD=60^° ，且A 1A sketch template

如图已知边长为5的正方形ABCD和边长为3的正方形CEFG共顶点C正方形CEFG绕点C旋转60°连接BEDG则 BCE的面积与 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

如图，图中所有的三角形都是直角三角形，四边形都是正方形．已知正方形A，B，C，D的边长分别是12，16，9，12，求最大正方形E的面积．百度教育 sketch template

百度教育 sketch template

如图由大小两个正方形组成已知大正方形的边长是12厘米求阴影部分面积．题目和参考答案——青夏教育精英家教�—— sketch template

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