\documentclass[a4paper]{report}
\usepackage[top=2cm, bottom=2cm, left=3cm, right=3cm,includehead=true,includefoot=true]{geometry}
\renewcommand*{\baselinestretch}{1.15}
\usepackage[extrafootnotefeatures]{xepersian}
\settextfont{B Nazanin}
\begin{document}
\chapter{ (3) نمودار شماره}




\end{document}