\documentclass[10pt]{article}
\usepackage{pgf,tikz}
\usepackage{mathrsfs}
\usetikzlibrary{arrows}
\pagestyle{empty}
\begin{document}
	\definecolor{qqwuqq}{rgb}{0,0.39215686274509803,0}
	\definecolor{xdxdff}{rgb}{0.49019607843137253,0.49019607843137253,1}
	\definecolor{qqqqff}{rgb}{0,0,1}
	\definecolor{zzttqq}{rgb}{0.6,0.2,0}
	\definecolor{ududff}{rgb}{0.30196078431372547,0.30196078431372547,1}
	\begin{tikzpicture}[line cap=round,line join=round,>=triangle 45,x=1cm,y=1cm]
		\clip(-10.24,-7.15) rectangle (10.24,7.15);
		\fill[line width=2pt,color=zzttqq,fill=zzttqq,fill opacity=0.10000000149011612] (-7.8,-4.49) -- (-4.66,2.77) -- (1.02,-3.37) -- cycle;
		\draw [shift={(-7.8,-4.49)},line width=2pt,color=qqwuqq,fill=qqwuqq,fill opacity=0.10000000149011612] (0,0) -- (0:5.6) arc (0:7.236922025968005:5.6) -- cycle;
		\draw [shift={(-7.8,-4.49)},line width=2pt,color=qqwuqq,fill=qqwuqq,fill opacity=0.45] (0,0) -- (0:3.6) arc (0:66.61118515369776:3.6) -- cycle;
		\draw [line width=2pt] (-7.8,-7.15) -- (-7.8,7.15);
		\draw [line width=2pt,domain=-10.24:10.24] plot(\x,{(-46.8756-0*\x)/10.44});
		\draw [-latex,line width=2pt] (-7.8,-4.49) -- (-4.66,2.77);
		\draw [-latex,line width=2pt] (-7.8,-4.49) -- (1.02,-3.37);
		\draw [-latex,line width=2pt] (1.02,-3.37) -- (4.16,3.89);
		\draw [-latex,line width=2pt] (-4.66,2.77) -- (4.16,3.89);
		\draw [line width=2pt,color=zzttqq] (-7.8,-4.49)-- (-4.66,2.77);
		\draw [line width=2pt,color=zzttqq] (-4.66,2.77)-- (1.02,-3.37);
		\draw [line width=2pt,color=zzttqq] (1.02,-3.37)-- (-7.8,-4.49);
		\draw [line width=2pt,color=qqqqff] (-7.8,-4.49)-- (1.02,-3.37);
		\draw [line width=2pt,color=qqqqff] (-4.66,2.77)-- (-3.5966674931812537,-3.9562434911976196);
		\begin{scriptsize}
			\draw [fill=ududff] (-7.8,-4.49) circle (2.5pt);
			\draw [fill=black] (-7.8,5.95) circle (0.5pt);
			\draw [fill=ududff] (-4.66,2.77) circle (2.5pt);
			\draw[color=ududff] (-3.78,3.2) node {$x_2 = (c,a)$};
			\draw [fill=ududff] (1.02,-3.37) circle (2.5pt);
			\draw[color=ududff] (1.9,-2.94) node {$x_1 = (a,b)$};
			\draw [fill=ududff] (4.16,3.89) circle (2.5pt);
			\draw[color=ududff] (4.8,4.32) node {$x_1 + x_2$};
			\draw [fill=ududff] (4.16,3.89) circle (2.5pt);
			\draw[color=zzttqq] (-3.42,-1.46) node {$\Delta$};
			\draw[color=qqqqff] (-3.28,-4.2) node {$g_{\Delta}$};
			\draw [fill=xdxdff] (-3.5966674931812537,-3.9562434911976196) circle (2.5pt);
			\draw[color=qqqqff] (-4.38,-0.4) node {$h_{\Delta}$};
			\draw [fill=black] (7.84,-4.49) circle (0.5pt);
			\draw[color=qqwuqq] (-3,-4.82) node {$\alpha_1$};
			\draw[color=qqwuqq] (-4.74,-1.84) node {$\alpha_2$};
		\end{scriptsize}
	\end{tikzpicture}
\end{document}