如图，在正三角形abc中，ab=6，d、e分别为ac、bc上的动点， 知乎 Sketch Coloring Page

如图，在正三角形abc中，ab=6，d、e分别为ac、bc上的动点， 知乎 Template

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sketch #1519

sketch #5275

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sketch #5133 Jiraiya by Saiful Farizam

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sketch #5133 Jiraiya by Saiful Farizam

sketch #3908 Rawr! by Timothy Palfreyman

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sketch #3908 Rawr! by Timothy Palfreyman

sketch #4987

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sketch #4987

sketch #1418 Dylan Thomas. Chayrolfrypan

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sketch #1418 Dylan Thomas. Chayrolfrypan

sketch #4151

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sketch #4151

sketch #2477 hhhh

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sketch #2477 hhhh

sketch #302

Chrystal Smith
sketch #302

sketch #2996 American Flag

James Forest
sketch #2996 American Flag

sketch #4876 Luffy by Nycole Prietsch

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sketch #4876 Luffy by Nycole Prietsch

sketch #5347

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sketch #5347

sketch #1474

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sketch #1474

sketch #5177

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sketch #5177

sketch #5162 Alien by KiNg Buamir

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sketch #5162 Alien by KiNg Buamir

sketch #286 sun

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sketch #286 sun

sketch #1833 Head shot - abz

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sketch #1833 Head shot - abz

sketch #20344

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sketch #20344

sketch #5179 Audrey Hepburn by 陳一夫

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sketch #5179 Audrey Hepburn by 陳一夫

sketch #4429 Spongebob by Brenda Peña

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sketch #4429 Spongebob by Brenda Peña

sketch #4405 Cat by Nizamuddin Shuja

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sketch #4405 Cat by Nizamuddin Shuja

sketch #5090

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sketch #5090

sketch #3247 Thor by Juvenilia Alexandrino

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sketch #3247 Thor by Juvenilia Alexandrino

sketch #3950

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sketch #3950

sketch #4722 Ichigo by Gopal Gopi

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sketch #4722 Ichigo by Gopal Gopi

sketch #5206

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sketch #5206

sketch #4386 Freddie Mercury by Павел Павлов

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sketch #4386 Freddie Mercury by Павел Павлов

sketch #5284

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sketch #5284

sketch #542 life

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sketch #542 life

sketch #672 Snails pace

Rachel Roe
sketch #672 Snails pace

tomski如图，在正三角形abc中，ab=6，d、e分别为ac、bc上的动点， 知乎 coloring

如图，在三角形ABC中，D、E、F分别是BC、CA、AB上的点，AD、BE、CF相交于一点O，这样三角形ABC被分成6个三角形，其中4个三角形 sketch template

如图，在正三角形ABC中，AB=6，D、E分别为AC、BC上的动点， 知乎 sketch template

如图，在三角形 ABC 中， D 是 BC 的中点， E 、 F AC 的三等分点。已知三角形 的面积是 108 平方厘米。求三角 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

如图在三角形ABC中AB=ACD是BC上一点∠BAD=40°E是AC上一点AD=AE求∠EDC的度数．题目和参考答案——青夏 sketch template

如图在三角形ABC中BDDC=12E为AD的中点若三角形ABC的面积为120平方厘米则阴影部分的面积是多�平方厘米题目和参考 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

如图等腰三角形ABC中AB=AC顶角∠A=20°在边AB上取一点D使AD=BC求∠BDC的度数题目和参考答案——青夏教育精英家教�—— sketch template

图1，正三角形ABC边长为3，以A为圆心，以2为半径考研新东方在线 sketch template

题目：如图，在三角形ABC中，点D是AB的中点，∠DAC=2∠DCA，∠DCB=30度，求∠B的度数 知乎 sketch template

百度教育 sketch template

如图，在 ABC中，∠ABC＝90°，AB＝BC，三角形的顶点在相互平行的三条直线l1，l2，l3上，且l1，l2的距离为2，l2，l3的距离 sketch template

在三角形ABC中点O是AC边上一个动点过点O作MN∥BC设MN交∠BCA的平分线于点E交 ABC的外角∠ACD平分线于点E．1求证 sketch template

如图，在直角三角形ABC中，∠ACB=90°，∠CBA=30°，请你设计三种不同的分法，把 ABC分割成两个三角形，且 ZOL问答 sketch template

百度教育 sketch template

如图在三角形纸片ABC中AB=6BC=8AC=4．沿虚线剪下的涂色部分的三角形与 ABC相似的是ABCD 题目和参考答案——青 sketch template

如图三角形ABC中AB=3AC=6∠BAC=60°D为BC中点E为中线AD的中点．1试用�量AB和AC表示AD2求中线AD sketch template

如图在 ABC中AB=ACBC=6点EF是中线AD上两点AD=4则图中阴影面积是6．题目和参考答案——青夏教育精英家教�—— sketch template

百度教育 sketch template

在等边三角形ABC中，点D、E分别在AB、BC边上，连结CD，AE交于点P，且CD=AE，∠ BCD=20°，则∠ APD的度数为 百度教育 sketch template

如图所示在三角形ABC中D为BC的中点AD和BE相交F点已知三角形ABC的面积为42平方厘米求三角形BDF的面积．题目和参考答案 sketch template

如图所示，已知边长为4的正三角形ABC中，E，F分别为BC和AC的中点，PA=2，且PA⊥平面ABC，设Q是CE的中点（1）求证：AE∥平面 sketch template

已知在等边三角形ABC中DE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

如图在正三角形ABC中DEF分别为各边的中点GHIJ分别为AFADBEDE的中点．将 ABC沿DEEFDF折成三棱锥 sketch template

百度教育 sketch template

百度教育 sketch template

如图在三角形ABC中AB＞ACDE分别是ABAC上的点 ADE沿线段DE翻折使点A落在边BC上记为A′．若四边形ADA′E是 sketch template

如图已知正三角形ABC的边长为1EFG分别是ABBCCA上的点且AE=BF=CG设 EFG的面积为yAE的长为x则y关于x sketch template

百度教育 sketch template

如图在三角形ABC中BC=8厘米AD=6厘米EF分别为AB和AC的中点．那么三角形EBF的面积是66平方厘米．——青夏教育精英家教�—— sketch template

如图在三角形ABC中D点为AB的中点E点为BC的中点F点为BE的中点已知三角形DCF面积为63平方厘米则三角形ABC面积为多�平方 sketch template

百度教育 sketch template

如图．已知点BCD在同一条直线上． ABC和 CDE都是等边三角形BE交AC于FAD交CE于H1求证 BCE≌ ACD2 sketch template

如图在 ABC中BDCE分别为三角形的两条高交于点O �问图11中有个三角形与相似它们是 �连结DE ADE与 ABC是否相似 sketch template

如图在正三角形ABC中DEF分别为各边的中点GHIJ分别为AFADBEDE的中点．将 ABC沿DEEFDF折成三棱锥 sketch template

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