Forgot password?
 Register account
View 744|Reply 2

[几何] △PAB,△PBC,△PCA的内切圆半径相等

[Copy link]

3159

Threads

7941

Posts

610K

Credits

Credits
63770
QQ

Show all posts

hbghlyj Posted 2021-6-8 20:33 |Read mode
如果P是△ABC的垂心,那么,△PAB,△PBC,△PCA的外接圆半径相等.
寻找另外一个点P,使得△PAB,△PBC,△PCA的内切圆半径相等.

0

Threads

413

Posts

6098

Credits

Credits
6098
QQ

Show all posts

爪机专用 Posted 2021-6-8 21:22
没记错的话三内切圆相等是尺规不可作的

3159

Threads

7941

Posts

610K

Credits

Credits
63770
QQ

Show all posts

 Author| hbghlyj Posted 2021-6-9 19:25
回复 2# 爪机专用
能否提供相关资料

Mobile version|Discuz Math Forum

2025-5-31 11:16 GMT+8

Powered by Discuz!

× Quick Reply To Top Edit