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1 cm = 10 mm. Start with ruler at 0 and mark ribbon at 30 cm. Then place ruler at the mark and measure 30 cm more and make another mark- you are up to 60 cm or 600 mm. Then place ruler at this mark and measure 5 cm, or 50 mm. Now you have a 650 mm ribbon.
A ruler!
Anything that measures length: a 30cm ruler, a metre ruler, a tape measure etc.
a ruler
You can measure it with a ruler.
1 cm = 10 mm. Start with ruler at 0 and mark ribbon at 30 cm. Then place ruler at the mark and measure 30 cm more and make another mark- you are up to 60 cm or 600 mm. Then place ruler at this mark and measure 5 cm, or 50 mm. Now you have a 650 mm ribbon.
Ruler. you measure with a ruler, yard stick, tape measure, or estimate.
Yes, the ruler does need to be straight when finding or measuring the length of a country on a map. If the distance curved, you can use a string and the ruler to measure the length.
A ruler!
You don't measure with length. You measure the length of an object with a ruler. You would use inches or metres as your units.
there are many instruments used to measure length depending upon the size of object , Ruler is Metric instrument used to measure length. Screw gauge is also used as an instrument used to measure length in mm.
Use a ruler.
I would measure it with a ruler.
The ruler measured the length of the table to be four feet.
metric ruler
Anything that measures length: a 30cm ruler, a metre ruler, a tape measure etc.
Sorry my ruler i have cant measure that...