醬爆盤點君如圖，三角形abc中，ab是ad的5倍，ac是ae的3倍，三角形ade的面積為1，求三角形abc的面積 求面積 數學思維 Sketch Coloring Page

醬爆盤點君如圖，三角形abc中，ab是ad的5倍，ac是ae的3倍，三角形ade的面積為1，求三角形abc的面積 求面積 數學思維 Template

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sketch #2616 Green Day by sketchmaster

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sketch #2477 hhhh

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sketch #5166 Jigsaw by Gisele Siqueira Zanni

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sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

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sketch #2777 Ralph & Vanellope by Alexander Volodimirovich Danilchenko

sketch #5270 Fresh prince by Fatér Szilvia

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sketch #5270 Fresh prince by Fatér Szilvia

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sketch #334 DON 'T!

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sketch #5047 Pikachu and Raichu by Saiful Farizam

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sketch #3155 Iron Man

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tomski醬爆盤點君如圖，三角形abc中，ab是ad的5倍，ac是ae的3倍，三角形ade的面積為1，求三角形abc的面積 求面積 coloring

醬爆盤點君 如圖，三角形ABC中，AB是AD的5倍，AC是AE的3倍，三角形ADE的面積為1，求三角形ABC的面積 求面積 數學思維 sketch template

醬爆盤點君 三角形的穩定性中考數學幾何模型 Facebook sketch template

醬爆盤點君 每日一題數學題中考數學幾何模型 Facebook 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

108學測填充E 62% 如圖此為示意圖，在∆ABC 中， AD 交 BC 於 D 點， BE E 點，且∠ACB＝30 sketch template

德琦雜記 如圖， ABC 和均是正三角形，點 O 既是 AC 的中點，又是 的中點，求 AA ：BB 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

朱式幸福直角三角形ABC中，斜邊中點P，AP的中點Q，延長BQ交於AC於R點，AB=4、AP=3，求CR長度 sketch template

题目阅读理解课外兴趣小组活动时老师提出了如下问题如图1 ABC中若AB=5AC=3求BC边上的中线AD的取值范围．小明在组内 sketch template

如图�在 ABC中∠ABC与∠ACB的平分线相交于点P．1如果∠A=80°求∠BPC的度数2如图�作 ABC外角∠MBC∠ sketch template

百度教育 sketch template

醬爆盤點君 求角的度數幾何數學數學思維進階思維 Facebook sketch template

如图已知在 ABC中AB=AC点D是 ABC内一点且∠ABD=∠ACD求证AD是∠BAC的平分线．题目和参考答案——青夏教育精英 sketch template

题目在学习了图形的旋转知识后数学兴趣小组的同学们又进一步对图形旋转前后的线段之间角之间的关系进行了探究．一尝试探究如图1在四边 sketch template

如图， ABC中，AD是角平分线，E、F分别为AC、AB上的点，且∠AED ∠AFD=180°．试问：DE与DF有何关系，并说明理由． 如图 sketch template

一道證明題難倒不�學生，就因不會作輔助線，關鍵是用中位線定理每日頭條 sketch template

輔助線技巧利用二倍角構造等腰三角形——技巧比努力更加重要每日頭條 sketch template

如图在 ABC中已知AB=AC=5BC=4点EF是中线AD上的两点则图中阴影部分的面积是 ABCD——青夏教育精英家教�—— sketch template

初中必會幾何模型（口訣突破）：倍長中線構全等每日頭條 sketch template

25．如图在 ABC中 DE分别是ACAB上的点 BD与CE交于点O 给出下列三个条件�∠EBO＝∠DCO�∠BEO＝∠CDO sketch template

百度教育 sketch template

「初中數學」構造等邊巧妙求角每日頭條 sketch template

问题提出平面上若点P与ABC三点中的任意两点均构成等腰三角形则称点P是ABC三点的巧妙点．若ABC三点构成三角形也称点P是 sketch template

22．已知如图在 ABC中AB=ACAE是角平分线BM平分∠ABC交AE于点M经过BM两点的⊙O交BC于点G交AB于点FFB sketch template

如图�在等腰 ABC中AB=AC分别以AB和AC为斜边� ABC的外侧作等腰直角三角形如图�所示其中DF⊥AB于点FEG⊥AC sketch template

如图，Rt ABC中，∠C＝90°，AC＝BC，点D、E分别是边AB、AC上的点，把 ADE沿DE折叠，点A恰好落在BC上的点F处，若点F为 sketch template

中考數學：有關三角形的高的應用的幾種類型每日頭條 sketch template

如图所示在 ABC中AB=AC∠B=50°则∠A= ．题目和参考答案——青夏教育精英家教�—— sketch template

21．已知如图3 48D是 ABC的边BC上的一点且CD=AB∠BDA=∠BADAE是 ABD的中线．求证 AC=2AE．——青夏 sketch template

26．如图已知 ABC中DE分别是ACAB上的点BD与CE相交于点O给出下列三个条件 �∠EBO=∠DCO �∠BEO=∠CDO sketch template

9．如图3在等边 ABC中DEF分别为ABBCCA上的一点且AD=BE=CF则图中全等三角形的组数为 A．3组 B．4组 sketch template

$如图四棱锥P ABCD中侧面PAD为等边三角形且垂直于底面ABCDAB=BC=$frac{1}{2}$AD∠BAD=∠ABC=90 sketch template$

百度教育 sketch template

如图O是等边 ABC中一点OA=2OB=3∠AOB=150°∠BOC=115°将 AOB绕点B顺时针旋转60°至 CO′B下列 sketch template

连结三角形两边中点的线段叫做三角形的中位线如图�，在 ABC 中，D，E分别是AB，AC的中点，DE 就是 的一条中位线 �们可 sketch template

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