you use a ruler most of the time in math but it is diffent for diffent countries!
so i advise you make your question make sence so people may answer the questions
a ruler
the tool of length is a RULER!
A ruler or tape measure.
SI UNIT Usually, at a normal classroom size, the tool to use would probably be to measure it in either yards or meters. TOOL A yard stick
Meters (about 3 feet)
depends on what item you are measuring
You take it and roll it out and use a length measuring tool to measure it's approximate length in yards feet inches centimeters etc... :)
The answer depends on what characteristic the tool is used to measure.
ruler, yardstick, or meterstickA ruler or measuring tape ... mind you you can use anything as a tool to measure .... so long as you know the length of the tool you are using ...
To efficiently remove chain links, use a chain tool. Place the chain in the tool, align the pin with the link to be removed, and turn the handle to push the pin out. Repeat for each link until the desired length is achieved.
Meter sticks ,graduated cylinder, and triple beem balance
You could use a ruler or a measuring tape to measure the length of an object. Both tools have markings that allow you to accurately determine the distance from one point to another.