Fig 7.2.4 & Fig 7.3.2

Fig 7.2.4

 \documentclass[varwidth=true, border=2pt]{standalone}
 \usepackage{tkz-euclide}

 \begin{document}
 \usetkzobj{all}
 \begin{tikzpicture}
 \tkzSetUpPoint[shape=circle,size=,color=black,fill=black]
 \tkzSetUpLine[line width=.]
 \tkzDefPoints{//A, 5.5//B, 5.5/2.7/C, /2.7/D, 1.5//E, 1.5/2.7/F, 1.5/2.7/G}%x/y/P
 \tkzDrawPolygon(A,B,C,D)
 \tkzDrawPolygon(A,E,F,D)
 \tkzDrawPoints(A,B,C,D,E,F)
 \coordinate[label=left:$T^+$] (T1) at  (0.75,1.35);
 \coordinate[label=right:$F$] (F) at  (1.5,1.5);
 \coordinate[label=right:$T^-$] (T2) at  (3.5,1.35);
 \end{tikzpicture}
 \end{document}

2015.5.1 16:30

Fig 7.3.2

 \documentclass[varwidth=true, border=2pt]{standalone}
 \usepackage{tkz-euclide}

 \begin{document}
 \usetkzobj{all}
 \begin{tikzpicture}
 \tkzSetUpPoint[shape=circle,size=,color=black,fill=black]
 \tkzSetUpLine[line width=.]
 \tkzDefPoints{//A, 5.5//B, 5.5/2.7/C, /2.7/D, 3.4//E, 3.4/2.7/F,
 1.5/2.7/G}%x/y/P
 \tkzDrawPolygon(A,B,C,D)
 \tkzDrawPolygon(A,E,F,D)
 \tkzDrawPoints(A,B,C,D,E,F)
 \coordinate[label=left:$T^+$] (T1) at  (1.75,1.35);
 \coordinate[label=right:$F$] (F) at  (3.4,1.8);
 \coordinate[label=right:$T^- $] (T2) at  (4.5,1.35);
 \end{tikzpicture}
 \end{document}

2015.5.1 16:30