What is are?
An are is a metric unit of area equal to 100 square metres. While largely replaced by the hectare for most practical uses, it is still referenced in some European countries for measuring agricultural plots.
What is square centimetre?
A square centimetre is a metric unit of area equal to one ten-thousandth of a square metre. It is used in textiles, printing, medical surface measurements, and small-scale technical applications.