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 #1711

anonymous

anonymous
sketch #1711

sketch #4704 Slash

anonymous

anonymous
sketch #4704 Slash

sketch #2926 Power Puff Girls by Sylvie Rieux

anonymous

anonymous
sketch #2926 Power Puff Girls by Sylvie Rieux

sketch #5236 Edward Scissorhands by Ronin Ronin

anonymous

anonymous
sketch #5236 Edward Scissorhands by Ronin Ronin

sketch #3425 &#;Tonari no Kaibutsu-kun&#; by Betty Marie Melzer

anonymous

anonymous
sketch #3425 &#;Tonari no Kaibutsu-kun&#; by Betty Marie Melzer

sketch #2117

anonymous

anonymous
sketch #2117

sketch #5156 Angry Bird by Roberto Castro Colimil

anonymous

anonymous
sketch #5156 Angry Bird by Roberto Castro Colimil

sketch #953

anonymous

anonymous
sketch #953

sketch #3208 ELETR by Raimundo Santos

anonymous

anonymous
sketch #3208 ELETR by Raimundo Santos

sketch #15

Tom Kelly
sketch #15

sketch #2446 Joker by sketchmaster

sketchmaster
sketch #2446 Joker by sketchmaster

sketch #2608 Beauty and the Beast by sketchmaster

sketchmaster
sketch #2608 Beauty and the Beast by sketchmaster

sketch #314 Butterfly

anonymous

anonymous
sketch #314 Butterfly

sketch #2035 Ernest Hemingway...
chayrolfrypan

anonymous

anonymous
sketch #2035 Ernest Hemingway... chayrolfrypan

sketch #3513

anonymous

anonymous
sketch #3513

sketch #5314

anonymous

anonymous
sketch #5314

sketch #1964 愛鼠繪

愛君
sketch #1964 愛鼠繪

sketch #5027

anonymous

anonymous
sketch #5027

sketch #312

anonymous

anonymous
sketch #312

sketch #1455 donara

Donara Smbatyan
sketch #1455 donara

sketch #3590

anonymous

anonymous
sketch #3590

sketch #1287 No smoke

anonymous

anonymous
sketch #1287 No smoke

sketch #2818 Hellboy by يآآسر محمد

يآآسر محمد
sketch #2818 Hellboy by يآآسر محمد

sketch #215 my mickey mouse

Tom Kelly
sketch #215 my mickey mouse

sketch #4974 Eminem by Juan Garcia

anonymous

anonymous
sketch #4974 Eminem by Juan Garcia

sketch #5083

anonymous

anonymous
sketch #5083

sketch #5287

anonymous

anonymous
sketch #5287

sketch #3138 Papa Smurf by Courtney Spragg

anonymous

anonymous
sketch #3138 Papa Smurf by Courtney Spragg

sketch #2220 bahbah sexy sheep

anonymous

anonymous
sketch #2220 bahbah sexy sheep

sketch #961

anonymous

anonymous
sketch #961

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

三角形的三条高相交于一点的证明 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

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

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

平面几何定理及证明（1） 知乎 sketch template

如何用�量证明三角形三条中线共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

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

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

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”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四心 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

垂足三角形的几个结论 知乎 sketch template

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

外接圆 360百� sketch template

三角形“四心”有关性质及证明（垂心篇） 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

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

三角形外接圆半径公式有哪些百度经验 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

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

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

三角形重心、外心、内心、垂心、旁心性质及交于一点证明 初中数学英才学习� 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

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重心、外心、内心、垂心、旁心性质及交于一点证明 初中数学英才学习� sketch template

定义：有一个圆分别和一个三角形的三条边各有两个交点，截得的三条弦相等，�们把这个圆叫作“等弦圆”，现在有一个斜边长为2的等腰直角三角形，当等弦 sketch template

数学 证明三角形三条中线交于同一点 PlayerSS 博客园 sketch template

free web stats