The appropriate measure would depend on whether you wanted to measure its circumference, area, volume, temperature or some other attribute. For this reason, it is not possible to name an appropriate unit.
The most appropriate metric unit to measure the mass of a concrete block is kilograms (kg).
millometers
The most appropriate measure is a metre.
The appropriate SI base unit to measure the time it takes to play a CD is the second (s).
This requires a tape measure and a chart. First you measure your head at the appropriate height and then you use a chart to determine your size. You can find a chart here http://www.northseatraders.com/Hat_Size.htm.
No, measuring a sofa in grams is not appropriate as grams are used to measure weight, not dimensions. It would be more appropriate to measure a sofa in inches or centimeters to determine its size.
miles
to know what is the measure
What is the most appropriate instrument to measure
Meters
A centimetre.
Hs
inches
yards
The appropriate measure would depend on whether you wanted to measure its circumference, area, volume, temperature or some other attribute. For this reason, it is not possible to name an appropriate unit.
The standard unit to measure mass is kilograms.