# What is the smallest parameter possible for a rectangle whose area is 16 square inches and what are it’s dimensions?

##### 2 Answers

Jun 11, 2018

We get

#### Explanation:

We have the Perimeter as

So we get by

Multiplying by

the equal sign holds if

Jun 11, 2018

#### Explanation:

Let

measured also in inches.

The perimeter is then:

Evaluate the derivative:

thus the derivative is null for

thus

We can conclude that the smallest perimeter is obtained when