Forgot password
 Register account
View 1802|Reply 0

[几何] 转载"踏雪"一几何题

[Copy link]

3226

Threads

7843

Posts

52

Reputation

Show all posts

hbghlyj posted 2020-5-20 09:36 |Read mode
QQ图片20200518065647.jpg
记锐角$\triangle ABC$的外接圆为T,A-伪旁切圆、B-伪旁切圆、C-伪旁切圆分别
为$Γ_A、Γ_B、Γ_C$,圆心分别为U、V、W,$Γ,Γ_C,Γ_A$根心为P,$Γ_、Γ_C、Γ_A$的根心为Q,$Γ、Γ_A、Γ_B$的根心为R,$Γ_A、Γ_B、Γ_C$的根心为S。
证明: AP、 BQ、CR三线共点于K,且直线KS经过△UVW的外心O。

Quick Reply

Advanced Mode
B Color Image Link Quote Code Smilies
You have to log in before you can reply Login | Register account

$\LaTeX$ formula tutorial

Mobile version

2025-7-23 19:37 GMT+8

Powered by Discuz!

Processed in 0.012130 seconds, 25 queries