\documentclass[10pt]{article} \usepackage{pgf,tikz,pgfplots} \pgfplotsset{compat=1.15} \usepackage{mathrsfs} \usetikzlibrary{arrows} \pagestyle{empty} \begin{document} \definecolor{ttttff}{rgb}{0.2,0.2,1} \definecolor{qqccqq}{rgb}{0,0.8,0} \definecolor{dtsfsf}{rgb}{0.8274509803921568,0.1843137254901961,0.1843137254901961} \begin{tikzpicture}[line cap=round,line join=round,>=triangle 45,x=1cm,y=1cm] \begin{axis}[ x=1cm,y=1cm, axis lines=middle, xmin=-2.8133333333333344, xmax=2.911111111111111, ymin=-3.231111111111111, ymax=3.4000000000000017, xtick={-2.5,-2,...,2.5}, ytick={-3,-2.5,...,3},] \clip(-2.8133333333333344,-3.231111111111111) rectangle (2.911111111111111,3.4); \draw [line width=2pt,color=qqccqq] (-1,1)-- (0,0); \draw [line width=2pt,color=ttttff] (1,-1)-- (0,0); \draw [line width=2pt,color=ttttff] (1,1)-- (1,-1); \draw [line width=2pt,color=ttttff] (0,0)-- (1,1); \draw [line width=2pt,color=qqccqq] (-1,-1)-- (0,0); \draw [line width=2pt,color=qqccqq] (-1,1)-- (-1,-1); \begin{scriptsize} \draw [fill=dtsfsf] (-1,1) circle (2.5pt); \draw[color=dtsfsf] (-1.1511111111111119,1.2) node {$v_{3}$}; \draw [fill=dtsfsf] (-1,-1) circle (2.5pt); \draw[color=dtsfsf] (-1.1333333333333342,-0.8266666666666658) node {$v_{4}$}; \draw [fill=dtsfsf] (0,0) circle (2.5pt); \draw[color=dtsfsf] (-0.06666666666666718,0.32888888888888995) node {$v_{0}$}; \draw [fill=dtsfsf] (1,1) circle (2.5pt); \draw[color=dtsfsf] (1.1244444444444441,1.1466666666666678) node {$v_{1}$}; \draw [fill=dtsfsf] (1,-1) circle (2.5pt); \draw[color=dtsfsf] (1.1244444444444441,-0.8533333333333325) node {$v_{2}$}; \draw[color=qqccqq] (-0.4666666666666673,0.7555555555555568) node {$e_{3}$}; \draw[color=ttttff] (0.4222222222222218,-0.5422222222222214) node {$g$}; \draw[color=ttttff] (1.1066666666666665,0.14222222222222325) node {$h$}; \draw[color=ttttff] (0.3955555555555551,0.6222222222222233) node {$i$}; \draw[color=qqccqq] (-0.3688888888888895,-0.4977777777777769) node {$j$}; \draw[color=qqccqq] (-1.1066666666666674,0.1955555555555566) node {$k$}; \end{scriptsize} \end{axis} \end{tikzpicture} \end{document}