RE: [obm-l] 2 questoes do IME

[Luís Lopes <qed_texte@xxxxxxxxxxx>]

Sauda,c~oes,

Caro Sergio,

No link do JP abaixo na página indicada vc vai
ver a solução para o locus dos círculos.

[]'s
Luís

===
Caro Luís,

I am glad to hear from you again,

>Let C1 and C2 be two exterior circles with centers
>O1 and O2 and radii R1 and R2. Determine the locus
>of the centers of the circles that cut C1 and C2
>with antipode points.

This is a basic fact that appears as a corollary in Julius Petersen's
great work

Méthodes et théories pour la résolution des problèmes de
constructions géométriques (1880)

This corollary can be seen in page 13 of my paper

http://garciacapitan.auna.com/jp/jp01-55.zip

and problem 52 at

http://garciacapitan.auna.com/jp/htm/052.htm

Best regards,

Francisco Javier García Capitán


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