# Algebra Examples

, ,

Step 1

The distances between the given points are the length (l), width (w), and diagonal (d).

The distance between the three corners is:

and

and

and

Step 2

The diagonal is the longest distance and the width is the shortest distance, which means and .

Step 3

The perimeter of a rectangle is .

Step 4

Step 4.1

Remove parentheses.

Step 4.2

Simplify .

Step 4.2.1

Add and .

Step 4.2.2

Multiply by .

Step 5