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 #314 Butterfly

anonymous

anonymous
sketch #314 Butterfly

sketch #4984 Zombie by London Waterlilly

anonymous

anonymous
sketch #4984 Zombie by London Waterlilly

sketch #4900 Moonlight by Abdelwahab Haik

anonymous

anonymous
sketch #4900 Moonlight by Abdelwahab Haik

sketch #5130 Batman by Kamal Ahmed Tantawy

anonymous

anonymous
sketch #5130 Batman by Kamal Ahmed Tantawy

sketch #3575 Stitch by Laura Gutierrez Hinojosa

anonymous

anonymous
sketch #3575 Stitch by Laura Gutierrez Hinojosa

sketch #1892 hmmmm........

anonymous

anonymous
sketch #1892 hmmmm........

sketch #1455 donara

Donara Smbatyan
sketch #1455 donara

sketch #5327

anonymous

anonymous
sketch #5327

sketch #4885

anonymous

anonymous
sketch #4885

sketch #3815

Emin AltınKöprü
sketch #3815

sketch #2087 zay lin

Zay Lin
sketch #2087 zay lin

sketch #3892

Rachel Christa Ibarrientos
sketch #3892

sketch #3447 Hidan (Akatsuki) by ßeyza Karaca

anonymous

anonymous
sketch #3447 Hidan (Akatsuki) by ßeyza Karaca

sketch #978

anonymous

anonymous
sketch #978

sketch #4287 eye

anonymous

anonymous
sketch #4287 eye

sketch #3388 Fight Club by Alvaro Velasquez

anonymous

anonymous
sketch #3388 Fight Club by Alvaro Velasquez

sketch #5101

anonymous

anonymous
sketch #5101

sketch #5070 The Rolling Stones by Roby Krdoso

anonymous

anonymous
sketch #5070 The Rolling Stones by Roby Krdoso

sketch #2836 Angry smurf maradona by BaGaz Anggara

BaGaz Anggara
sketch #2836 Angry smurf maradona by BaGaz Anggara

sketch #3822

anonymous

anonymous
sketch #3822

sketch #4760

anonymous

anonymous
sketch #4760

sketch #5166 Jigsaw by Gisele Siqueira Zanni

anonymous

anonymous
sketch #5166 Jigsaw by Gisele Siqueira Zanni

sketch #1068 dançando

anonymous

anonymous
sketch #1068 dançando

sketch #5220

anonymous

anonymous
sketch #5220

sketch #4831

anonymous

anonymous
sketch #4831

sketch #2574

anonymous

anonymous
sketch #2574

sketch #5178 Mewtwo and Transformation by Riley Hart

anonymous

anonymous
sketch #5178 Mewtwo and Transformation by Riley Hart

sketch #3339 Sasuke by Jean-Benoit Renaud

anonymous

anonymous
sketch #3339 Sasuke by Jean-Benoit Renaud

sketch #3779 RIP Hugo Chavez Joey Hyuuga

anonymous

anonymous
sketch #3779 RIP Hugo Chavez Joey Hyuuga

sketch #578 Butterflies

anonymous

anonymous
sketch #578 Butterflies

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

怎么证明三角形是三角形 知乎 sketch template

证明三角形的三条中线交于一点 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

平面几何定理及证明（1） 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

怎么用初一的问题证明锐角三角形的三条高交于一点 知乎 sketch template

初中几何：三角形三条高交于同一点的证明及其思路 知乎 sketch template

三角形的三条高相交于一点的证明 知乎 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

如何用�量证明三角形三条中线共点 知乎 sketch template

怎么用初一的方法证明三角形的三条中线交于一点？ 知乎 sketch template

初中几何：三角形三条高交于同一点的证明及其思路 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

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

平面�量与三角形的四心 知乎 sketch template

三角形重心的性质及其证明 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

怎么证明三角形两边中点的连线平行于底边百度教育 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

三角形四心 知乎 sketch template

对李永乐用例证法证明三角形内角和为180度的一些看法 知乎 sketch template

教您构造三角形内接中点三角形 几何画板�站 sketch template

平面几何定理及证明（1） 知乎 sketch template

三角形四心 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

已知 ABC是等边三角形以BC为直径的半圆O与边AB相交于点DDE⊥AC垂足为点E．1判断DE与⊙O的位置关系并证明你的结论2 sketch template

学会证明等腰三角形中有关相等的线段及等角对等边并体会反证法的含义——青夏教育精英家教�—— sketch template

三角形外接圆半径公式有哪些百度经验 sketch template

数学 证明三角形三条中线交于同一点 PlayerSS 博客园 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

外接圆 360百� 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

直角三角形ABC三条边分别是3厘米4厘米5厘米如图所示分别以三边为直径画半圆求阴影部分面积．题目和参考答案——青夏教育精英家教�—— sketch template

free web stats