# How do you solve h^2 = 361?

Jan 19, 2017

#### Answer:

If ${h}^{2} = 361$, then $h = \pm \sqrt{361}$

#### Explanation:

I know that $\sqrt{400} = 20$, and thus ${19}^{2} = \left(20 - 1\right) \left(20 - 1\right)$ $=$ $400 - 40 + 1 = 361$ as required............

Thus $h = \pm 19$.