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You start from the first mark from the left of the ruler which is actually 0.
No. Ruler is a noun, either a government head or a measuring bar.
A piece of string and a ruler or tape measure.
why might you need to measure a perimeter with a measuring tape insteadof a ruler.
measuring scale, tape, or ruler is used.
You start at zero, the one marks an inch from the zero mark, signifying one inch
The first line, not the edge of the ruler.
You start from the first mark from the left of the ruler which is actually 0.
Its principal feature is the start datum or 0 is the end of the ruler, typical use would be measuring the depth of a feature, such as a blind bored hole.
It is always a good idea to start measurements at a given mark on the instrument. This is because the ruler or measuring equipment may be damaged at the edges and thus will not give accurate results.
No. Ruler is a noun, either a government head or a measuring bar.
A piece of string and a ruler or tape measure.
why might you need to measure a perimeter with a measuring tape insteadof a ruler.
measuring scale, tape, or ruler is used.
measuring cup
Measuring things
ruler