Click the thumbnails to enlarge.

Lebesgue subdivision (Figures 11.1.1 and 11.1.2)

Theorem 1, Part 1(Figures 11.1.3 and 11.1.4)

Theorem 1, Part 2 (Figures 11.1.5, 11.1.6, 11.1.7, 11.1.8, 11.1.9 and 11.1.10)

Exercise 3 (Figure 11.1.11)

Exercise 7 (Figure 11.1.12)

Exercise 9 (Figure 11.1.13)