\( \text{AC} = \text{AB} + 1 \text{ см} = 8 \text{ см} + 1 \text{ см} = 9 \text{ см} \)
\( \text{BC} = \text{AB} \cdot 2 = 8 \text{ см} \cdot 2 = 16 \text{ см} \)
\( P = \text{AB} + \text{AC} + \text{BC} = 8 \text{ см} + 9 \text{ см} + 16 \text{ см} = 33 \text{ см} \)
Ответ: 33 см