20 inch
liters
metres would be the best way to work out the length of a classroom as centimetres are to small and kilometres are far to large
Meters or feet would be best, depending on where you live.
The volume is best measured in millilitres still. The weight is the best approach for this. To measure size i.e. width in particular, a millimetre is a good unit to use.
Yard
20 inch
Millimetres.
liters
Answer: meters
meters
metres would be the best way to work out the length of a classroom as centimetres are to small and kilometres are far to large
Centimetres.
the metric system
A millimetre.
Meters or feet would be best, depending on where you live.
A caliper would be the best tool for measuring the width of a pencil lead. It is precise and allows you to measure small dimensions accurately.