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 #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

anonymous

anonymous
sketch #2023 For variety our own good friends fully understand states; through hard knocks we all our own good friends. priceminister

sketch #5170

anonymous

anonymous
sketch #5170

sketch #5092 Silvers Rayleigh by Wasim Khan

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anonymous
sketch #5092 Silvers Rayleigh by Wasim Khan

sketch #4546 Misaki Mei by Wanis Khelifa

anonymous

anonymous
sketch #4546 Misaki Mei by Wanis Khelifa

sketch #933 mts

anonymous

anonymous
sketch #933 mts

sketch #3012 Girl by Safa M. Esam Srk

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anonymous
sketch #3012 Girl by Safa M. Esam Srk

sketch #5040 Amy Winehouse by Timothy Palfreyman

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anonymous
sketch #5040 Amy Winehouse by Timothy Palfreyman

sketch #871 vampire girl anime

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anonymous
sketch #871 vampire girl anime

sketch #4821 Johnny M. by Z Ionut Ady

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anonymous
sketch #4821 Johnny M. by Z Ionut Ady

sketch #895

anonymous

anonymous
sketch #895

sketch #5117

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anonymous
sketch #5117

sketch #4749 Random Girl by Adellachamp Stand

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anonymous
sketch #4749 Random Girl by Adellachamp Stand

sketch #5207 Gorilla by Jean-Benoit Renaud

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anonymous
sketch #5207 Gorilla by Jean-Benoit Renaud

sketch #3157 umpa lumpa

anonymous

anonymous
sketch #3157 umpa lumpa

sketch #1993

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anonymous
sketch #1993

sketch #5070 The Rolling Stones by Roby Krdoso

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anonymous
sketch #5070 The Rolling Stones by Roby Krdoso

sketch #2678 Portrait by Jocelyn Alejandra Rantul

Jocelyn Alejandra Rantul
sketch #2678 Portrait by Jocelyn Alejandra Rantul

sketch #297 Fish

Helyryn
sketch #297 Fish

sketch #1853 scribble

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anonymous
sketch #1853 scribble

sketch #5074

anonymous

anonymous
sketch #5074

sketch #3822

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anonymous
sketch #3822

sketch #2965 Flapjack by Farzin Hedayatzadeh

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anonymous
sketch #2965 Flapjack by Farzin Hedayatzadeh

sketch #5020 Stitch by Hina Ali

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anonymous
sketch #5020 Stitch by Hina Ali

sketch #474 waa

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anonymous
sketch #474 waa

sketch #5415

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anonymous
sketch #5415

sketch #4831

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anonymous
sketch #4831

sketch #3680 Infected Mushroom by Rohit Rahul

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anonymous
sketch #3680 Infected Mushroom by Rohit Rahul

sketch #4605 Goku by Jayme Sousa

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anonymous
sketch #4605 Goku by Jayme Sousa

sketch #1973

Daniel Lachman
sketch #1973

sketch #3539 Octo by Aristo A. Kadir

anonymous

anonymous
sketch #3539 Octo by Aristo A. Kadir

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

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

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

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

如图：在三角形ABC中，若AC CD=AB，∠ ADC=70^° ，∠ ACB=80^° ，求∠ B？百度教育 sketch template

4．如图所示一粒子源位于一边长为的正三角形ABC的中心O处可以在三角形所在的平面内�各个方��射出速度大小为v质量为m电荷量为q的带电 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

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

百度教育 sketch template

如图在 ABCD中E是AB的中点ED和AC相交于点F过点F作FG∥AB交AD于点G．1求证AB=3FG2若ABAC 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

如图已知等边三角形ABC中内有一点PPA=3PC=4PB=5求此等边三角形ABC的边长百度知道 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

百度教育 sketch template

如图在三角形ABC中三角形AEO的面积是1三角形ABO的面积是2三角形BOD的面积是3则四边形DCEO的面积是多�——青夏教育精英 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在三角形ABC中BE=EF=FCED=2DA求阴影部分的面积是三角形ABC面积的几分之几题目和参考答案——青夏教育精英家教�—— 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

$如图所示正三角形ABC的边长为2$frac{AE}{BE}$=2$frac{AD}{DC}$=$frac{1}{2}$BD交CE sketch template$

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．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

题目1操作如图在已知内角度数的三个三角形中请用直尺从某一顶点画一条线段把原三角形分割成两个等腰三角形并在图中标注相应的角的 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

已知如图在等边三角形ABC中DE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

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三角形ABC在正方形�格中图中每个小正方形的边长均为1个单位长度若点A的坐标为03点B的坐标为按要求解下列问题1在 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

如图三角形ABC中E为AC之中点．BD=2DCAD与BE交于F则三角形BDF的面积四边形DCEF的面积=8787．题目和参考答案 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在三角形ABC中D为 BC的中点 AF=2BFCE=3AE连接CF交 DE于 P点求EPDP的值．题目和参考答案——青夏教育 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

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