CHAPTER 9 PRACTICE TEST Perimeter, Area, Volume, and Surface Area For problems 1 – 4, match each question to its answer. 1. What is perimeter? A. The area of all the surfaces of a 3-D shape. 2. What is area? B. The number of cubes that fit inside a shape. 3. What is volume? C. The length around a shape. 4. What is surface area? D.