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## A Perspectivity

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• 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
Message 1 of 3 , Nov 28 10:38 PM
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 See crosspoint at http://faculty.evansville.edu/ck6/encyclopedia/glossary.html or
Message 2 of 3 , Nov 29 3:33 AM
Dear Lim Sung Hyun
>
> 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?

This is the crosspoint of P & Q
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  vol. 3 the cross-cevian point Sincerely Jean-Louis ... De: Lim Sung Hyun
Message 3 of 3 , Nov 29 4:41 AM
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]
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