SmtC: Show me the Code
Ole Peter Smith
Instituto de Matemática e Estatística
Universidade Federal de Goiás
http://www.olesmith.com.br

Quadratic
Problemas resolvemos na hora!
Milagres demoram mais um pouco...
Provérbio dinamarquês

Circle

(xx0)2+(yy0)2=r2
2_Palestras/2021/02_Curves/02_Quadratics/01_Circles/Images/Circle.Parallels-000.svg
TiKZ Listing: Circle.Parallels.tikz.tex. PDF   PNG   SVG   ZIP*  
\tikzstyle{Circle}=[
   color=orange
]
\tikzmath{\R=1.5;}
\tikzmath{\RR=\R*2;}
\tikzmath{\Angle=30;}

\clip (-\RR,-\RR) rectangle(\RR,\RR);


\tikzmath{\r=\T*\R;}

\coordinate (R) at (\Angle:\R);
\coordinate (T) at (\Angle+90:1);
\coordinate (N) at (\Angle+180:1);

\filldraw[Circle] (0,0) circle(1pt);
\draw[Circle,very thick] (0,0) circle(\R);
\draw[Circle,opacity=0.8]  (0,0) circle(\r);

\draw[-latex,blue] (R) -- +(T);
\draw[-latex,blue] (R) -- +(N);
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