Chapter 14.2B, Problem 3A

To determine

a.

The most appropriate metric unit ${\text{cm}}^2$ ${\text{m}}^2$ or ${\text{km}}^2$ for measuring the area of a chair seat.

To determine

b.

The most appropriate metric unit ${\text{cm}}^2$ ${\text{m}}^2$ or ${\text{km}}^2$ for measuring the area of a whiteboard or chalkboard.