### Home > MC1 > Chapter 3 > Lesson 3.4.5 > Problem 3-145

3-145.

Cecelia wants to measure the area of her bedroom floor. Should she use square inches or square feet?

Write a sentence to

**explain**which units you think that she should use.Square inches are good for measuring the area of things such as your desk or a piece of paper.

Do you think they would also be good for measuring the area of your room? Make sure to explain your reasoning.If her room is

feet by feet, what is the area of her floor? Show how you get your answer. To get you started, here is a generic rectangle representing the area of Cecelia's room.

feet feet feet feet You can also set the problem up as follows: