\[Рисунок\ в\ учебнике.\]
\[1)\ Единичный\ отрезок\ = AB:\]
\[ST = 8;\ \ \ \]
\[EF = 6;\ \ \]
\[KP = 5;\]
\[MN = 3;\ \ \ \]
\[CD = 2;\ \ \ \]
\[AB = 1.\]
\[2)\ Единичный\ отрезок = MN:\]
\[ST = \frac{8}{3} = 2\frac{2}{3};\ \ \ \]
\[EF = \frac{6}{3} = 2;\]
\[KP = \frac{5}{3} = 1\frac{2}{3};\ \ \ \]
\[MN = 1;\]
\[CD = \frac{2}{3};\ \ \]
\[AB = \frac{1}{3}.\]