# How do I find an optimal rectangular area?

##### 1 Answer

Jun 18, 2018

A square has the optimal rectangular area.

#### Explanation:

Find the area function, then maximize value.

Find the area function in one variable, so if you have

The maximum

So then the other side will be

Answer attributed to dear **David Britz**, who for some reason didn't post an answer and left a comment for us to see this question again and again.