### Home > MC2 > Chapter 2 > Lesson 2.1.2 > Problem 2-29

2-29.

Since the surface of the top of a desk is flat and not just a straight line, it is a multi-dimensional quantity.

Surface is best measured by square units for surface area.

There are many possible answers. Think about what parts of the desk could be measured with a ruler for possible linear measurements of dimensional values.