Metres, but some of the lines may still be in terms of yards.
METERS!!!The unit of measurement you would use to measure the width of your classroom is meters.
meters
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.
Metres, to measure its length or width, square metres to measure its area.
You can measure the width of a park in meters or feet.
Metres, but some of the lines may still be in terms of yards.
METERS!!!The unit of measurement you would use to measure the width of your classroom is meters.
Centimetre.
Parsecs
if you used Milimetres to measure a Football pitch it would take Years so you would you something more sensible and higher (Kilometres)
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.
15 m