如图在正方形abcd中ec=2be三角形 Boc的面积是3平方米求阴影部分的面积．题目和参考答案——青夏教育精英家教�—— Sketch Coloring Page

如图在正方形abcd中ec=2be三角形 Boc的面积是3平方米求阴影部分的面积．题目和参考答案——青夏教育精英家教�—— Template

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sketch #3680 Infected Mushroom by Rohit Rahul

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sketch #3444 PSY by Melodee Ripepi

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sketch #2797 Homer by Na Ruro

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sketch #2723 by Sam Torres

Sam Torres
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anonymous

anonymous
sketch #4653 Kero by Indike Liyanage

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tomski如图在正方形abcd中ec=2be三角形 boc的面积是3平方米求阴影部分的面积．题目和参考答案——青夏教育精英家教�—— coloring

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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

题目如图在边长为3的正方形ABCD中点E是BC边上的点EC=2∠AEP=90°且EP交正方形外角的平分线CP于点P则PC的长为 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E1求证 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

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≌ DCE2如图2延长BE交直线CD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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≌ DCE2如图2延长BE交直线CD于 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

题目1如图1在正方形ABCD中M是BC边不含端点BC上任意一点P是BC延长线上一点N是的平分线上一点若求证为等腰 sketch template

如图在正方形ABCD中E是BC的中点F是CD上一点且CF=14CD求证∠AEF=90°． 题目和参考答案——青夏教育精英家教�—— sketch template

如图点P是正方形ABCD的对角线BD上一点PE⊥BCPF⊥CD垂足分别为点EF连接APEF给出下列四个结论�AP=EF�∠ sketch template

如图在正方形ABCD中EC=2BE三角形 BOC的面积是3平方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正方形ABCD中AC是对角线今有较大的直角三角板一边始终经过点B直角顶点P在射线AC上移动另一边交DC于Q．1如图�当点 sketch template

题目如图在四边形ABCD中AB=AD∠BAD=∠BCD=90°连接AC若AC=8则四边形ABCD的面积为 A32B 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正方形ABCD在坐标系中的位置如图所示将正方形ABCD绕D点顺时针方�旋转90°后B点到达的位置坐标为 A B 41 C 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1奖三角板放在正方形ABCD上使三角板的直角顶点E与正方形ABCD的顶点A重合三角板的一边交CD于点F另一边交CB的延长线于点G sketch template

百度教育 sketch template

16．如图5菱形ABCD中AE⊥BC于EAF⊥CD于F若EF正好是BccD的中点当菱形ABCD的�长为16cm则ΔAEF的 sketch template

如图，在矩形ABCD中，AB=6，BC=8，点E是BC边上一点，将 ABE沿AE折叠，使点B落在点B′处．（1）矩形ABCD的面积 sketch template

如图在正方形ABCD中点E在对角线AC上连接BEDE．1证明BE=DE2设 ADE CDE的面积分别为S1S2已知 sketch template

百度教育 sketch template

如图正方形ABCD中在AD的延长线上取点EF使DE=ADDF=BD连接BF分别交CDCE于HG下列结论 �EC=2DG� 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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

初中数学20道经典几何难题！附答案详解 正方形 直线四边形 sketch template

如图所示分别以直角三角形ABC三边为边�外作三个正方形其面积分别用S1S2S3表示若S1=25S3=9则S2的值为 A sketch template

如图所有的四边形都是正方形所有三角形都是直角三角形其中最大的正方形的边长是a则图中四个小正方形ABCD的面积之和是 ． 题目和 sketch template

如图等腰梯形ABCD中AB=4CD=10则各顶点的坐标是 B C D00——青夏教育精英家教�—— sketch template

百度教育 sketch template

如图在菱形ABCD中∠ABC=60°过点A作AE⊥CD于点E交对角线BD于点F过点F作FG⊥AD于点G． 1求证BF=AE 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

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