I need to color in arc BC red and make my points D and C darker. Does anyone know how to do this?
\documentclass[10pt]{article}
\usepackage[utf8]{inputenc}
\usepackage{pgf,tikz}
\usetikzlibrary{arrows}
\pagestyle{empty}
\begin{document}
\definecolor{qqttzz}{rgb}{0,0.2,0.6}
\definecolor{ttqqqq}{rgb}{0.2,0,0}
\definecolor{xdxdff}{rgb}{0.49,0.49,1}
\definecolor{qqqqff}{rgb}{0,0,1}
\begin{tikzpicture}[line cap=round,line join=round,>=triangle 45,x=1.0cm,y=1.0cm]
\clip(-4.3,-5.28) rectangle (22.8,6.3);
\draw(2.64,1.26) circle (3.73cm);
\draw [color=ttqqqq] (0.28,-1.63)-- (6.26,2.16);
\draw [color=qqttzz] (2.64,1.26)-- (0.28,-1.63);
\draw (2.16,4.96)-- (0.28,-1.63);
\draw [color=qqttzz] (2.64,1.26)-- (2.16,4.96);
\draw [color=qqttzz] (2.64,1.26)-- (6.26,2.16);
\begin{scriptsize}
\fill [color=qqqqff] (2.64,1.26) circle (1.5pt);
\draw[color=qqqqff] (2.78,1.54) node {$A$};
\fill [color=qqqqff] (2.16,4.96) circle (1.5pt);
\draw[color=qqqqff] (2.32,5.24) node {$B$};
\fill [color=xdxdff] (6.26,2.16) circle (1.5pt);
\draw[color=xdxdff] (6.42,2.44) node {$C$};
\fill [color=xdxdff] (0.28,-1.63) circle (1.5pt);
\draw[color=xdxdff] (0.44,-1.34) node {$D$};
\end{scriptsize}
\end{tikzpicture}
\begin{center}
$\displaystyle\angle BDC = \frac{1}{2} \widehat{BC} $
\end{center}
\end{document}
Also how do I make midpoint hashmarks for segments BA, DA and AC?
I want my drawings to look something like this, but with midpoint hashmarks for the radii:
Best Answer
Basic figures like this are better drawn directly in
tikz
:Code: