Area is the amount of space taken up by a surface or a 2-D shape. It is measured in squares with metric units mm², cm², m² and km². Module 1 (M1) - Geometry & measures - Circumference & area of ...

Compound measures involve two or more different units. Examples of compound measures and their units include pressure, density, speed and heart rate. Module 3 (M3) - Geometry & measures - Trigonometry ...