\input{preamble-standalone.ltx} \begin{document} % Ex. No. 87 (Section 11.2 : Déterminer une pente) \begin{tikzpicture}[scale=1.5] \tkzInit[xmax=4,ymax=5]\tkzGrid[sub] \tkzDefPoint(1,2){A} \tkzDefPoint(3,4){B} \tkzDefPoint(3,2){C} \tkzDefPoint(3,1){D} \tkzDrawSegments(A,B A,C A,D) \tkzDrawPoints[color=red](A,B,C,D) \tkzLabelPoints(A,B,C,D) \tkzFindSlope(A,B){SAB} \tkzFindSlope(A,C){SAC} \tkzFindSlope(A,D){SAD} \pgfkeys{/pgf/number format/.cd,fixed,precision=2} \tkzText[fill=Gold!50,draw=brown](1,4)% {La pente de (AB) est : $\pgfmathprintnumber{\SAB}$} \tkzText[fill=Gold!50,draw=brown](1,3.5)% {La pente de (AC) est : $\pgfmathprintnumber{\SAC}$} \tkzText[fill=Gold!50,draw=brown](1,3)% {La pente de (AD) est : $\pgfmathprintnumber{\SAD}$} \end{tikzpicture} \end{document}