millimeter and centimeter
a ruler measures the distance and a protractor measures the angles
stuff
a ruler is something that measures the length of an object
Ruler
a ruler measures 15 cm .1 cm =10 mm .THis means , 1 standard ruler measures 150 mm.
A ruler
a ruler
ruler
ruler
a ruler measures it
a ruler measures it
A normal ruler from England measures 30cm and 12inches, or 15cm and 5 inches depending on how big you want it.