Question

Which expression is equivalent to the area of metal sheet required to make this square shaped traffic sign? (uploading picture)

Answer 1

You have a square sign. So what would be its length and width?

Answer 2

the same equation, right?

Answer 3

You know that one side is 2x-1 units long. Furthermore, you know that the sign is square. So each side would be 2x-1 units long. So what would be its area?

Answer 4

The area of a square is its length multiplied by its width. So what would be the area of the sign?