如何证明：过三角形abc的三个顶点作其外接圆切线，分别和各对边所在直线交于一点，则三交点共线？知乎 Sketch Coloring Page

如何证明：过三角形abc的三个顶点作其外接圆切线，分别和各对边所在直线交于一点，则三交点共线？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 #2220 bahbah sexy sheep

anonymous

anonymous
sketch #2220 bahbah sexy sheep

sketch #5152

anonymous

anonymous
sketch #5152

sketch #1973

Daniel Lachman
sketch #1973

sketch #5047 Pikachu and Raichu by Saiful Farizam

anonymous

anonymous
sketch #5047 Pikachu and Raichu by Saiful Farizam

sketch #894 hmmm

anonymous

anonymous
sketch #894 hmmm

sketch #389

anonymous

anonymous
sketch #389

sketch #1446

anonymous

anonymous
sketch #1446

sketch #5158 Till Lindemann by Cristina Love

anonymous

anonymous
sketch #5158 Till Lindemann by Cristina Love

sketch #2618

sketchmaster
sketch #2618

sketch #2308

anonymous

anonymous
sketch #2308

sketch #4264 oh yeah

anonymous

anonymous
sketch #4264 oh yeah

sketch #5177

anonymous

anonymous
sketch #5177

sketch #4012 Owl sketch

anonymous

anonymous
sketch #4012 Owl sketch

sketch #3398 Sharingan by حيرتني بصمتها

anonymous

anonymous
sketch #3398 Sharingan by حيرتني بصمتها

sketch #3803

Laura Agapi Asnicar
sketch #3803

sketch #4749 Random Girl by Adellachamp Stand

anonymous

anonymous
sketch #4749 Random Girl by Adellachamp Stand

sketch #5226

anonymous

anonymous
sketch #5226

sketch #4995

anonymous

anonymous
sketch #4995

sketch #2619 Underwater by sketchmaster

sketchmaster
sketch #2619 Underwater by sketchmaster

sketch #1418 Dylan Thomas. Chayrolfrypan

anonymous

anonymous
sketch #1418 Dylan Thomas. Chayrolfrypan

sketch #5293

anonymous

anonymous
sketch #5293

sketch #3367 Ichigo by Szymon Broszczak

anonymous

anonymous
sketch #3367 Ichigo by Szymon Broszczak

sketch #2562

anonymous

anonymous
sketch #2562

sketch #5159 Frank Briones Silvia Haynes

anonymous

anonymous
sketch #5159 Frank Briones Silvia Haynes

sketch #4475 Daft Punk by Reggie Garcia

anonymous

anonymous
sketch #4475 Daft Punk by Reggie Garcia

sketch #4385

anonymous

anonymous
sketch #4385

sketch #4899

anonymous

anonymous
sketch #4899

sketch #5048

anonymous

anonymous
sketch #5048

sketch #4887 Jessica Rabbit by Garima Taneja

anonymous

anonymous
sketch #4887 Jessica Rabbit by Garima Taneja

sketch #1060

anonymous

anonymous
sketch #1060

tomski如何证明：过三角形abc的三个顶点作其外接圆切线，分别和各对边所在直线交于一点，则三交点共线？知乎 coloring

如何证明：过三角形ABC的三个顶点作其外接圆切线，分别和各对边所在直线交于一点，则三交点共线？ 知乎 sketch template

从一道简单的高数题谈起——点到三角形边及顶点的距离问题 知乎 sketch template

平面�量与三角形的四心 知乎 sketch template

怎么证明三角形是三角形 知乎 sketch template

外接圆 360百� sketch template

复数与几何（三） 三角形 知乎 sketch template

平面几何定理及证明（1） 知乎 sketch template

平面�量与三角形的四心 知乎 sketch template

平面几何定理及证明（1） 知乎 sketch template

证明三角形的三条中线交于一点 知乎 sketch template

三角形的三条高相交于一点的证明 知乎 sketch template

三角形外接圆半径公式有哪些百度经验 sketch template

三角形重心的性质及其证明 知乎 sketch template

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

用一个普通初中学生能懂的方法，证明三角形的垂直平分线交于一点 知乎 sketch template

如何用几何知识证明等边三角形外接圆上任意一点到它的三个顶点的距离的平方和为定值？ 知乎 sketch template

平面几何定理及证明（1） 知乎 sketch template

三角形中的比例线段——塞瓦定理、梅涅劳斯定理 知乎 sketch template

三角形四心 知乎 sketch template

三角形三条高线交于一点的多种证明方法 知乎 sketch template

有三角形ABC，其内部包含一条端点为B、C的光�凸曲线，如何证明曲线的长度小于三角形剩余两边之和？ 知乎 sketch template

垂足三角形的几个结论 知乎 sketch template

初中数学：三角形的内切圆、外接圆、旁切圆 三角形 英才学习� sketch template

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

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

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

用立体几何方法证明三角形三条中线交于一点 知乎 sketch template

中考数学圆的相关知识点汇总！ 知乎 sketch template

初中数学：三角形的内切圆、外接圆、旁切圆 三角形 英才学习� sketch template

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

如何用几何知识证明等边三角形外接圆上任意一点到它的三个顶点的距离的平方和为定值？ 知乎 sketch template

如图直角三角形ABC的三条边长分别为6cm8cm10cm三个顶点ABC分别是三个半径相等的圆的圆心阴影部分面积是多� 题目和 sketch template

证明�题“等腰三角形两底角的平分线相等．是真�题．已知如图在 ABC中AB=ACACBDCE分别∠ABC∠ACB的角平分线 sketch template

如图等边三角形ABC内接于圆D为上一点则图中等于60°的角有 A3个 B4个 C5个 D6个——青夏教育精英家教�—— sketch template

怎么证明三角形三条中线交于一点（用纯几何的方法） 知乎 sketch template

free web stats