a ruler measures 15 cm .1 cm =10 mm .THis means , 1 standard ruler measures 150 mm.
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A ruler is usually divided by: inches, centimeters, and millimeters.
A metric ruler is use to measure centimeter and millimeters.1 centimeter (cm) = 10 millimeters (mm) .
The millimeters on a ruler are the tiny lines in between each centimeter
15.25 cm on a ruler is located at 15 centimeters and 2.5 millimeters.
Well, honey, if you've got a ruler with inches and millimeters, then the side with centimeters would be the same as the millimeter side. See, there are 10 millimeters in a centimeter, so just count 'em out and you'll find your answer. It's not rocket science, just basic math.