已知等边三角形abc中延长ac到f使得ed=df求证be=cf——青夏教育精英家教�—— Sketch Coloring Page

已知等边三角形abc中延长ac到f使得ed=df求证be=cf——青夏教育精英家教�—— Template

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sketch #5078 Naruto by Shimun Yeyo Ahmed

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anonymous
sketch #5078 Naruto by Shimun Yeyo Ahmed

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sketch #1964 愛鼠繪

愛君
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sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

Alexander Volodimirovich Danilchenko
sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

sketch #2552

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anonymous
sketch #2552

sketch #5212 Katy Perry by Shahid Khokhar

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sketch #5212 Katy Perry by Shahid Khokhar

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anonymous
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sketch #5139 Sick Sick Six Urs Stefan

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anonymous
sketch #5139 Sick Sick Six Urs Stefan

sketch #3732 Michael Jackson by David Obando

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sketch #3732 Michael Jackson by David Obando

sketch #3337 Uryuu Minene by Michael Angcay

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sketch #3337 Uryuu Minene by Michael Angcay

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anonymous
sketch #3708

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Johnny B. Goode
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sketch #3381 DBZ by Adidtzu Ady

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anonymous
sketch #3381 DBZ by Adidtzu Ady

sketch #2818 Hellboy by يآآسر محمد

يآآسر محمد
sketch #2818 Hellboy by يآآسر محمد

sketch #5138 Monster by Leonie Cooper

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anonymous
sketch #5138 Monster by Leonie Cooper

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Chris Shrimp Lonsdale
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sketch #1185

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anonymous
sketch #1185

sketch #5230

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anonymous
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sketch #4446 EDDIE by يآآسر محمد

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anonymous
sketch #4446 EDDIE by يآآسر محمد

sketch #5306 Katarina by Mirnes Sinanovic

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anonymous
sketch #5306 Katarina by Mirnes Sinanovic

sketch #5192

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sketch #5047 Pikachu and Raichu by Saiful Farizam

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sketch #5047 Pikachu and Raichu by Saiful Farizam

sketch #4869 Madara by Jean-Benoit Renaud

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sketch #4869 Madara by Jean-Benoit Renaud

sketch #4688

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sketch #2476 Asuna from SAO by sketchmaster

sketchmaster
sketch #2476 Asuna from SAO by sketchmaster

sketch #704

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anonymous
sketch #704

tomski已知等边三角形abc中延长ac到f使得ed=df求证be=cf——青夏教育精英家教�—— coloring

如图，已知 ABC是等边三角形，延长BA至E，延长BC至D，使AE=BD，求证：EC=ED．百度教育 sketch template

百度教育 sketch template

如图等边三角形ABC中AB=5延长BC至点P使CP=3将 ABC绕点B顺时针旋转a角得到 DBE连接DPEP则当 DPE为 sketch template

《几何原本》平面几何基础（2） �题1�题16 知乎 sketch template

如图已知等边三角形ABC在BC的延长线上取一点E以CE为边作等边三角形DCE连接AEBD．点M是BD的中点点N是AE的中点．1在图 sketch template

已知如图1在等边三角形ABC中点DE分别在边ABBC的延长线上且BD=CE联结AECD．1试说明 CBD≌ ACE的理由 sketch template

如图所示，边长为2的等边三角形中，D点在边上运动（不与B、C重合），点E在边的延长线上，点F在边的延长线上，．点D在边上从B至C的运动过程 sketch template

如图已知 ABC是等边三角形AB=4D是AC边上一动点EF垂直平分BD分别交ABBC于点EF设CD=xAE=y．1求证 sketch template

如图已知在等边三角形ABC中DE是ABAC上的点且AD=CE．求证CD=BE．题目和参考答案——青夏教育精英家教�—— sketch template

已知等边三角形ABC中延长AC到F使得ED=DF求证BE=CF——青夏教育精英家教�—— sketch template

已知在等边三角形ABC中DE分别为ABAC上的点且BD=AEEB与CD相交于点OEF⊥CD于点F．求证OE=2OF．题目和参考 sketch template

已知等边三角形ABC的边长为5点P在线段AB上点D在线段BC上且 PDE是等边三角形．1初步尝试若点P与点A重合时BD BE sketch template

在等边三角形ABC中点E在AB上点D在CB的延长线上且ED=EC．试探索以下问题1当点E为AB的中点时如图1确定线段AE与DB sketch template

已知如图在等边三角形ABC中DE分别为BCAC上的点且AE＝CD连结ADBE交于点P作BQ⊥AD垂足为Q．求证BP sketch template

已知：在三角形ABC中，AB=AC角BAC=20度，D点在AB上且AD=BC求角ACD的度数知乎 sketch template

【初步感知�如图1，已知 ABC为等边三角形，点D为边BC上一动点点D不与点B，点C重合以AD为边�右侧作等边 ADE，连接CE求证：【类比 sketch template

已知 ABC为等边三角形点D为直线BC上一动点以AD为边作等边三角形ADE连接CE．1如图1当点D在边BC上时．求证BC=DC sketch template

已知等边三角形ABC的边长为12点P为AC上一点点D在CB的延长线上且BD=AP连接PD交AB于点EPE⊥AB于点F则线段EF的长 sketch template

已知在三角形abc中知识要点北京爱智康 sketch template

已知如图在等边三角形ABC中DE分别为BCAC上的点且AE＝CD连结ADBE交于点P作BQ⊥AD垂足为Q．求证BP sketch template

1332等边三角形的性质与判定1 Word文档在线阅读与下载免费文档 sketch template

如图边长为6的等边三角形ABC中D是AB边上的一动点由A�B运动F是BC延长线上的一动点与D同时以相同的速度由C�BC延长线方�运动 sketch template

如图，已知： ABC和 ADE均为等边三角形，点D在BC边上，DE与AC交于点F （1）写出图中的相似三角形；（2）求证：AE2=AF•AC．作业帮 sketch template

如图所示已知等边三角形ABC的边长为1按图中所示的规律用2011个这样的等边三角形镶嵌而成的四边形的�长是．题目和参考答案——青夏 sketch template

三角形“四心”有关性质及证明（内心篇）知乎 sketch template

等腰三角形拓展题 Word文档在线阅读与下载无忧文档 sketch template

题目如图�在等边三角形ABC中．D是AB边上的动点以CD为一边�上作等边三角形EDC．连接AE1求证 DBC≌ EAC2 sketch template

如图．已知点BCD在同一条直线上． ABC和 CDE都是等边三角形BE交AC于FAD交CE于H1求证 BCE≌ ACD2 sketch template

如图已知等边三角形ABC的边长为2cm下列以A为圆心的各圆中半径是3cm的圆是 ABCD——青夏教育精英家教�—— sketch template

等边三角形ABC内接于⊙0连接OAOBOC延长AO分别交BC于点PBC于点D连接BDCD．1判断四边形BDCO是哪一种特殊 sketch template

在等边三角形ABC中点E在AB上点D在CB的延长线上且AE=BD．1当点E为AB的中点时如1求证EC=ED2当点E不是 sketch template

如图 ABC是等边三角形D为AB边上的一个动点DE∥BC延长BC到F使CF=AD连接DF交AC于P．1求证EP=CP2 sketch template

如图已知 ABC和 BDE都是等边三角形．1说明AE=CD的理由2如果DE⊥BC试判断直线BE与AC的位置关系并说明理由 sketch template

点D是不等边三角形ABC的边AB上的一点过点D作一条直线使它与另一边相交截得的三角形与 ABC相似这样的直线可以作几条为什么题目和 sketch template

如图1已知 ABC是等边三角形DE分别是ABBC上的点且BD=CEAECD交于点F．1求证 ACE≌ CBD2过A作 sketch template

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