Surface area is important!

If you want to paint a house, you need to know the surface area to determine how much paint to buy.

If you want to plant grass on a dirt lot, you need to know the surface area to determine how much grass seat to use.

If you want to sew a dress, you need to know the surface area of the dress (dress size) to know how much material you need.

If you want to make money mowing lawns, you need to know the surface area of the lawn to know how much to charge for the work.

If you want to put carpet in a living room, you need to know the surface area of the room to know how much carpet you will need.

If you are making a label for a soup can company, you will need to know the surface area of the can.