summaryrefslogtreecommitdiff
path: root/info/mathtrip/src/triangle.tex
diff options
context:
space:
mode:
Diffstat (limited to 'info/mathtrip/src/triangle.tex')
-rw-r--r--info/mathtrip/src/triangle.tex46
1 files changed, 46 insertions, 0 deletions
diff --git a/info/mathtrip/src/triangle.tex b/info/mathtrip/src/triangle.tex
new file mode 100644
index 0000000000..f663a1263b
--- /dev/null
+++ b/info/mathtrip/src/triangle.tex
@@ -0,0 +1,46 @@
+%This document can be run standalone if few comments
+%are removed. This is useful to check and modify the drawing.
+%
+%\documentclass{article}
+%\usepackage{calc}
+%\usepackage{tikz}
+%\usetikzlibrary{arrows,decorations.markings}
+%\begin{document}
+
+%length of the base of triangle.
+%\newlength{\trianglebase}
+%and its height
+%\newlength{\triangleheight}
+%Length of the mark for the right angle
+%\newlength{\ranglesizeB}
+%
+\setlength{\trianglebase}{2cm}
+\setlength{\triangleheight}{1.5cm}
+\setlength{\ranglesizeB}{0.15cm}
+
+\savebox\TriangleBox{%
+ \begin{tikzpicture}
+ %Coordinates of the triangle
+ \coordinate (A) at (0,0);
+ \coordinate (B) at (\trianglebase,0);
+ \coordinate (C) at (.167\trianglebase,\triangleheight);
+ \coordinate (HeightBase) at (.167\trianglebase,0);
+ %
+ %Triangle with origin in (0,0) and a height of \triangleheight
+ %arriving at point "HeightBase".
+ \draw [thick] (A) -- (C) node[midway,left] {$b$}
+ -- (B) node[midway,above] {$a$}
+ -- cycle node[midway,below] {$c$};
+ %Draw the height
+ \draw (HeightBase) -- (C) node[midway,right]{$h$};
+
+ %Draw the right angle symbol
+ \draw (HeightBase) -- ++ (0, \ranglesizeB) -- ++ (\ranglesizeB, 0) -- ++(0,-\ranglesizeB) -- cycle;
+
+ %Put a letter for the angle.
+ \draw (A) node[below,left]{$A$};
+ \draw (B) node[below,right]{$B$};
+ \draw (C) node[above]{$C$};
+ \end{tikzpicture}
+}
+%\end{document}