- Given ABC and P, Q,

triangle BP.CQ, CP.AQ, AP.BQ and

triangle BQ.CP, CQ,AP, AQ.BP are perspective.

Where is the perspector?

Sung Hyun

[Non-text portions of this message have been removed] - Dear Lim Sung Hyun
>

This is the crosspoint of P & Q

> Given ABC and P, Q,

>

> triangle BP.CQ, CP.AQ, AP.BQ and

> triangle BQ.CP, CQ,AP, AQ.BP are perspective.

>

> Where is the perspector?

See crosspoint at

http://faculty.evansville.edu/ck6/encyclopedia/glossary.html

or

http://mathworld.wolfram.com/Crosspoint.html

Friendly. Jean-Pierre - Dear Hyacinthists,

you can also see,

http://perso.orange.fr/jl.ayme%c2%a0 vol. 3 the cross-cevian point

Sincerely

Jean-Louis

--- En date de : Lun 29.11.10, Lim Sung Hyun <bbbbbblow@...> a écrit :

De: Lim Sung Hyun <bbbbbblow@...>

Objet: [EMHL] A Perspectivity

À: "hyacinthos" <Hyacinthos@yahoogroups.com>

Date: Lundi 29 novembre 2010, 7h38

Given ABC and P, Q,

triangle BP.CQ, CP.AQ, AP.BQ and

triangle BQ.CP, CQ,AP, AQ.BP are perspective.

Where is the perspector?

Sung Hyun

[Non-text portions of this message have been removed]

[Non-text portions of this message have been removed]