%%
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%%
\unitlength=8mm%
%%
%%
%%
\newcommand{\ZahyouDef}{%
\tenretu{C(1,0.1)w;A(1,3.1)n;B(5,0.1)e}%
\Bunten\B\C{1}{1}\Ma%
\Bunten\C\A{1}{1}\Mb%
\Bunten\A\B{1}{1}\Mc%
%%\changeArrowHeadSize{2}%
%%\Kakukigou\C\A\B{$\alpha$}%
}
\newcommand{\SankakuDraw}{%
\ZahyouDef%
\Drawlines{\A\B\C\A}%
\Put{\Mc}(4pt,0)[l]{$c$}%
\Put{\Ma}(0,-2pt)[t]{$a$}%
\Put{\Mb}(-4pt,2pt)[r]{$b$}%
\Tyokkakukigou(10)\A\C\B%
}
%%
%%
%%
