cm
METERS!!!The unit of measurement you would use to measure the width of your classroom is meters.
about the width of your thumb twice If you are an adult, I would estimate more like the width of your little finger twice. 2 cm, or 20 mm, is approximately 4/5 of one inch.
ruler
First: 36 cm2 cannot be a width. Width is a linear measure - a measure of distance - which would be measured in cm and not cm2. In any case, having just the width is not sufficient information for answering the question.
I would suggest centimeters but lots of people use inches.
cm
By unit of length and distance and conversion ,we can say that the most appropriate unit to measure the length of a finger is cm.
METERS!!!The unit of measurement you would use to measure the width of your classroom is meters.
about the width of your thumb twice If you are an adult, I would estimate more like the width of your little finger twice. 2 cm, or 20 mm, is approximately 4/5 of one inch.
Half the width of your finger.
Centimetre.
Parsecs
a ruler
Millimetres
Identify the SI until you would use the measured the width of your classroom
You could use either inches or centimeters to measure the width of a sheet of paper.