|
@@ -0,0 +1,33 @@
|
|
|
+\documentclass[varwidth=true, border=2pt]{standalone}
|
|
|
+\usepackage{tkz-euclide}
|
|
|
+\usepackage{tikz}
|
|
|
+\usetikzlibrary{patterns}
|
|
|
+
|
|
|
+\begin{document}
|
|
|
+\usetkzobj{all}
|
|
|
+\begin{tikzpicture}
|
|
|
+ \tkzSetUpPoint[shape=circle,size=10,color=black,fill=black]
|
|
|
+ \tkzSetUpLine[line width=1]
|
|
|
+ \tkzDefPoints{0/0/A, 4/0/B, -2/3/C}
|
|
|
+
|
|
|
+ \tkzDefLine[orthogonal=through A,/tikz/overlay](B,C) \tkzGetPoint{helper}
|
|
|
+ \tkzInterLL(B,C)(A,helper) \tkzGetPoint{La}
|
|
|
+
|
|
|
+ \tkzMarkAngle[arc=l,size=0.4cm,color=red,fill=red!20](A,La,B)
|
|
|
+ \tkzLabelAngle[pos=0.25](A,La,B){$\cdot$}
|
|
|
+
|
|
|
+ \tkzDrawPolygon(A,B,C)
|
|
|
+
|
|
|
+ \node at ($(A)+(-0.47,-0.2)$){$A$};
|
|
|
+ \node at ($(B)+(0.35,-0.2)$) {$B$}; % \tkzLabelPoint[below](B){$B$} is not accurate enough
|
|
|
+ \node at ($(C)+(0.05,0.3)$) {$C$};
|
|
|
+ \node[green] at ($(La)+(-0.4,-0.1)$) {$L_A$};
|
|
|
+
|
|
|
+ \tkzDrawSegments[red](A,La)
|
|
|
+ \tkzDrawSegments[blue](B,C)
|
|
|
+ \tkzLabelSegment[right,red](A,La){$h_a$}
|
|
|
+ \tkzLabelSegment[above,blue](B,C){$c$}
|
|
|
+ \tkzDrawPoints(A,B,C)
|
|
|
+ \tkzDrawPoints[color=green,fill=green](La)
|
|
|
+\end{tikzpicture}
|
|
|
+\end{document}
|