### Home > A2C > Chapter 4 > Lesson 4.1.2 > Problem4-31

4-31.

What square number is a factor of 50?

$5\sqrt{2}$

Use the same method as in parts (a) and (b).

To simplify completely you need to find the largest square number that is a factor of 72.

Use the same method as in parts (a) and (b).