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 Coloring Page

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 Template

Background image: Hide Show

View Larger Image Image Credit: zhihu.com

please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

sketch #4160

Hank Henry Armstrong
sketch #4160

sketch #3012 Girl by Safa M. Esam Srk

anonymous

anonymous
sketch #3012 Girl by Safa M. Esam Srk

sketch #5092 Silvers Rayleigh by Wasim Khan

anonymous

anonymous
sketch #5092 Silvers Rayleigh by Wasim Khan

sketch #3290 Calvin and Hobbes by অনন্ত জলিল

anonymous

anonymous
sketch #3290 Calvin and Hobbes by অনন্ত জলিল

sketch #5164

anonymous

anonymous
sketch #5164

sketch #687 Buddha Peace

anonymous

anonymous
sketch #687 Buddha Peace

sketch #4087 Stewie by Leon Soria Ricardo

anonymous

anonymous
sketch #4087 Stewie by Leon Soria Ricardo

sketch #5222 Magic Art Tin Sheek

anonymous

anonymous
sketch #5222 Magic Art Tin Sheek

sketch #1455 donara

Donara Smbatyan
sketch #1455 donara

sketch #74

Rachel Roe
sketch #74

sketch #5279

anonymous

anonymous
sketch #5279

sketch #1041 strawberries

anonymous

anonymous
sketch #1041 strawberries

sketch #314 Butterfly

anonymous

anonymous
sketch #314 Butterfly

sketch #1232 Dylan Thomas

anonymous

anonymous
sketch #1232 Dylan Thomas

sketch #3378

anonymous

anonymous
sketch #3378

sketch #3473 Finn by Luana Santos

anonymous

anonymous
sketch #3473 Finn by Luana Santos

sketch #4900 Moonlight by Abdelwahab Haik

anonymous

anonymous
sketch #4900 Moonlight by Abdelwahab Haik

sketch #962

Wynchz
sketch #962

sketch #2017 HEYOO

anonymous

anonymous
sketch #2017 HEYOO

sketch #3786

anonymous

anonymous
sketch #3786

sketch #1079

anonymous

anonymous
sketch #1079

sketch #578 Butterflies

anonymous

anonymous
sketch #578 Butterflies

sketch #5224

anonymous

anonymous
sketch #5224

sketch #5159 Frank Briones Silvia Haynes

anonymous

anonymous
sketch #5159 Frank Briones Silvia Haynes

sketch #293 jdjdjdjdj

Helyryn
sketch #293 jdjdjdjdj

sketch #2866 Soul Eater by Ani Chachua

anonymous

anonymous
sketch #2866 Soul Eater by Ani Chachua

sketch #3014 Fancy

James Forest
sketch #3014 Fancy "S "

sketch #5050

anonymous

anonymous
sketch #5050

sketch #3688

anonymous

anonymous
sketch #3688

sketch #4713

anonymous

anonymous
sketch #4713

tomski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 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

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

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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1Rt ABC中∠C=90°按题目所给条件及要求将相应的直角三角形分割成若干个全等的并且分别与原三角形相似的三角形．画出图形并简要 sketch template

如图在 ABC中AB=AC∠A=36°请你设计三种不同的方法将 ABC分割成三个等腰三角形不要求写出画法不要求证明但是要标出所 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，若AC CD=AB，∠ ADC=70^° ，∠ ACB=80^° ，求∠ B？百度教育 sketch template

已知在三角形abc中知识要点北京爱智康 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在 ABC中分别以ABAC为边�外作等腰直角三角形ABE等腰直角三角形ACD其中∠BAE=∠CAD=90°BD与CE相交于点O 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中点DF在边BC上点E在边AB上点G在边AC上∠CDG=∠B∠1 ∠FEA=180°．证明AD∥EF． 题目 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， ABC和 DEF是两个全等的等腰直角三角形，∠ BAC=∠ EDF=90°， DEF的顶点E与 ABC的斜边BC的中点重合，将 DEF sketch template

三角形重心的性质及其证明 知乎 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

百度教育 sketch template

百度教育 sketch template

百度教育 sketch template

如图在三角形纸片ABC中AB=6BC=8AC=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

百度教育 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

题目如图点ABC在一条直线上 ABD BCE均为等边三角形连接AE和CDAE分别交CDBD于点MPCD交BE于点Q sketch template

题目如图在等腰直角三角形ABC中∠ABC=90°D为AC边上的中点过D点作DE⊥DF交AB于点E交BC于点F若AE=8FC 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，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

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

如图在正三角形ABC中DEF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

如图中三角形ABC的面积是平行四边形DBCE面积的 A．一半 B．2倍 C．相等 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

题目如图在平面直角坐标系xoy中 ABC三个顶点坐标分别为A 24B 21C 52．1将 ABC绕着O顺时针 sketch template

如图，在 ABC中，AB=4，AC=3，BC=5，DE是BC的垂直平分线，DE分别交BC、AB于点D、E．1求证： ABC为直角三角形． 2求 sketch template

百度教育 sketch template

百度教育 sketch template

free web stats