あけましておめでとうございます。三平方の定理の図が簡単に描けるemath（tDBさん）にあらためて感謝致します。本年もよろしくおねがい申し上げます。
%--------------------------------------------------------
\documentclass[a4paper]{jsarticle} 
\usepackage{emathP}
\pagestyle{empty} 
%--------------------------------------------------------
\begin{document}
\begin{zahyou*}[ul=4.8mm,haiti=t]%
(-6,5)(-1,11)
%%直角三角形ABC%%%%%%%%
\seigenR{8.7}{60}%Cの対向辺の長さ５ROOT３
\seigen{90}\la%Ａの対向辺の長さをaに与えるこまんど。
\def\B{(0,0)}%Bを原点に位置づける
\def\C{(\la,0)}%laで受け取った長さでCの位置を定義
\kyokuTyoku(8.7,30)\A%Ｂを原点として極座標でＡの位置を定義
%%%%%%%%%%%%%%%%%%%%%%%
\Put\A(2pt,14pt)[t]{A}
\Put\B(-6pt,-8pt)[b]{B}
\Put\C(6pt,-8pt)[b]{C}
%%%%%%%%%%%%%%%%%%%%%%%
\thicklines
\Drawline{\A\B\C\A}%三角形ＡＢＣを描く
\Tyokkakukigou\B\A\C
%%%%%%%%%%%%%%%%%%%%%%%
\Kaiten\B\A{90}\G
\Kaiten\A\B{-90}\F
\Put\G(-6pt,4pt)[t]{\small{G}}
\Put\F(4pt,4pt)[b]{\small{F}}
\thinlines
\Drawline{\B\G\F\A}
%%%%%%%%%%%%%%%%%%%%%%%
\Kaiten\A\C{90}\E
\Kaiten\C\A{-90}\D
\Put\E(2pt,10pt)[t]{\small{E}}
\Put\D(6pt,-2pt)[b]{\small{D}}
\thinlines
\Drawline{\A\E\D\C}
%%%%%%%%%%%%%%%%%%%%%%%
\Kaiten\C\B{90}\I
\Kaiten\B\C{-90}\H
\Put\I(6pt,-4pt)[t]{\small{I}}
\Put\H(-6pt,-4pt)[t]{\small{H}}
\thinlines
\Drawline{\B\H\I\C}
%%%%%%%%%%%%%%%%%%%%%%%
\Suisen\A\H\I\J
\LandL\B\C\A\J\K
\Put\K(6pt,-4pt)[t]{\small{K}}
\Put\J(0pt,-6pt)[t]{\small{J}}
\Drawline{\A\J}
\Tyokkakukigou\A\K\B
\Tyokkakukigou\K\J\H
%%%%%%%%%%%%%%%%%%%%%%%
\Drawline{\G\C}
\Drawline{\A\H}
%%%%%%%%%%%%%%%%%%%%%%%
\Hasen{\G\A}
\Hasen{\K\H}
%%%%%%%%%%%%%%%%%%%%%%%
\end{zahyou*}
\end{document}

▼関連発言
│
└◆4177:あけましておめでとうございます [飯島　徹] 01/01 03:37
　└◆4178:Re:あけましておめでとうございます [tDB] 01/01 08:44
　　└◆4179:Re[2]:あけましておめでとうございます [zyam56] 01/01 16:13
　　　└◆4180:Re[3]:あけましておめでとうございます [TaD] 01/01 16:52
　　　　└◆4181:Re[4]:あけましておめでとうございます [Natumi] 01/01 20:44
　　　　　└◆4183:Re[5]:あけましておめでとうございます [wizard] 01/01 21:08
　　　　　　└◆4186:Re[6]:あけましておめでとうございます [kimu] 01/01 22:18<-last