index.tex

\documentclass[a4paper,12pt]{article}
\usepackage{fancybox}
\usepackage{fancyhdr}
\usepackage{color}
\usepackage{graphics}
\usepackage{graphicx}
\usepackage{geometry}
\usepackage{amsfonts}
\usepackage{pgf}
\usepackage{xxcolor}
\usepackage{textcomp}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[frenchb]{babel}
 
\newcounter{numeroexo}
\newcommand{\exo}{\par\noindent\stepcounter{numeroexo}
 \hspace{-.25cm}\Ovalbox{\textbf{Exercice \arabic{numeroexo}}}\quad}
 
\newcommand{\pts}[2]{\noindent
\textcolor{red}{\textsl{(sur #1 points)}}\quad
\textcolor{blue}{\textsc{#2 }\\*[.1cm]}}
 
 
\addtolength{\headheight}{3pt}
\textwidth20cm
\textheight20cm
\geometry{vmargin=1.8cm,hmargin=2cm}
\pagestyle{fancy}
 \fancyhead{}
 \lhead{\bf Nom :  \hspace*{5cm} Prénom :}
 \rhead{5$^{\textrm{e}}$\hspace*{1pc}}
\fancyfoot{}
 
\begin{document}
\vspace*{-1cm}
\centerline{
        \shadowbox{\Large{Devoir en classe}}
}
 
\exo\pts{5}{Centre de symétrie} 
Trace en \textcolor{green}{\underline{\bf vert}} les axes de symétrie des figures ci-dessous et trace en \textcolor{red}{\underline{\bf rouge}} les centres de symétrie s'ils existent.\\
\includegraphics[height=3.5cm]{devsymcentrale.4}
\qquad
\includegraphics[height=3.5cm]{devsymcentrale.3}\qquad
\includegraphics[height=3.5cm]{devsymcentrale.2}\qquad
\includegraphics[width=5cm,height=3.3cm]{devsymcentrale.1}\\
\\
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%exercice suivant
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{minipage}[t]{8cm}
\exo\pts{5}{Symétrie centrale}  Tracer à main levée le symétrique de la maison par rapport au point O.\\
\begin{pgfpicture}{0cm}{0cm}{8cm}{8cm}  % (0cm,0cm) is the lower left corner,
                                        % (9cm,8cm) is the upper right corner.
\pgfsetlinewidth{0.25pt}
 
        \pgfgrid[step={\pgfpoint{.5cm}{.5cm}}]{\pgfxy(0,0)}{\pgfxy(8,8)}{}
\pgfsetlinewidth{2pt}
        \pgfline{\pgfxy(.5,5)}{\pgfxy(.5,6.5)}
        \pgfline{\pgfxy(.5,6.5)}{\pgfxy(1.5,7.5)}
        \pgfline{\pgfxy(1.5,7.5)}{\pgfxy(5.5,6.5)}
        \pgfline{\pgfxy(5.5,6.5)}{\pgfxy(5.5,5)}
        \pgfline{\pgfxy(5.5,5)}{\pgfxy(.5,5)}
        \pgfline{\pgfxy(3.5,7)}{\pgfxy(3.5,7.5)}
        \pgfline{\pgfxy(3.75,4)}{\pgfxy(4.25,4)}
        \pgfline{\pgfxy(4,3.75)}{\pgfxy(4,4.25)}
\pgfputat{\pgfxy(4.1,4.3)}{\pgfbox[left,center]{O}}
\pgfrect[stroke]{\pgfxy(3.5,5)}{\pgfxy(.5,1)}
\end{pgfpicture}
 
\end{minipage}
\hspace*{1.4cm}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%exercice suivant
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{minipage}[t]{8cm}
\exo\pts{5}{Symétrie centrale suite}  Tracer à l'aide des instruments de dessin, le symétrique du quadrilatère $ABCD$ par rapport au point O.\\
\begin{pgfpicture}{0cm}{0cm}{5cm}{5.5cm}        % (0cm,0cm) is the lower left corner,
                                                % (5cm,5.5cm) is the upper right corner.
        \pgfline{\pgfxy(1,1)}{\pgfxy(3.2,5)}
\pgfputat{\pgfxy(1,1)}{\pgfbox[right,top]{D}}
        \pgfline{\pgfxy(1,1)}{\pgfxy(2,2)}
\pgfputat{\pgfxy(2,2.1)}{\pgfbox[center,bottom]{C}}
        \pgfline{\pgfxy(2,2)}{\pgfxy(5,1.5)}
\pgfputat{\pgfxy(3.2,5.1)}{\pgfbox[center,bottom]{A}}
        \pgfline{\pgfxy(5,1.5)}{\pgfxy(3.2,5)}
\pgfputat{\pgfxy(5,1.5)}{\pgfbox[left,center]{B}}
        \pgfline{\pgfxy(3.75,.5)}{\pgfxy(3.25,.5)}
        \pgfline{\pgfxy(3.5,.75)}{\pgfxy(3.5,.25)}
\pgfputat{\pgfxy(4,.8)}{\pgfbox[left,top]{O}}
\end{pgfpicture}
 
\end{minipage}
 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%exercice suivant
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\vspace*{2cm}
\exo\pts{5}{Triangle et symétrique}
\vspace*{-.5cm}
\def\labelenumi{{\bf \theenumi ¡)}}
\begin{enumerate}
\item Trace ci-dessous le triangle $ABC$ avec $AB=5$~cm, $\widehat{BAC}$=40\degres\ et $\widehat{ABC}$=60\degres.\\*[-.5cm]
\item Trace le symétrique de ce triangle $ABC$ par rapport au point $B$.\\
\end{enumerate}
\end{document}