Knowing the concept of area helps solve many applications.
There are occasion where we need to cover a large area using numerous small pieces of similarly sized item.
Example: Numerous small pieces of mat used to cover the floor of a room. "How many of this small pieces of mat is required?" This is a common question raised.
Question on area application:
A piece of mat, as shown in diagram A, has to cover a square area. How many of this piece is needed to cover the smallest possible square area?
Put on your geometry thinking hat and off you go thinking......
Answer in the comment section, please, with explanation of how you get the solution.