Discussion questions
Metric system has only seven basic units, while the US system has more than 300 basic units; thus, it is simpler. In addition, units in metric systems are multiples of 10, therefore, calculations is easier than in US system. Metric systems are universally applied, except in USA.
Perimeter is measured by distance round a figure whose SI units are meters; therefore, the perimeter is given in units of length. However, area is a derived quantity and its magnitude is obtained by multiplication of two units of length. Therefore, its units are given by the product of the units.
Theoretical ...