The principal unit of length in the Brithish old system is yard.
1 yard equals 0,9144 metre.
length are used to measure feet and inches .These are derive s.I unit of length
There are several good examples of incontrovertible systems. A good examples of incontrovertible systems should be camera systems, or recorded systems.
That's the way they are defined in the SI - and in most systems of units. In the SI, the meter is the unit for length, and it is a base unit; square that, and you have a unit of area. Of course, you could also proceed the other way round: define an area as a base unit, and take the square root of that as a (derived) unit of length; but the people who designed the SI decided to do it that way and not the other. Probably because it's easier to measre a length.
The length of a radius is half the length of a diameter.
Academic interest has to do with school. This means what are you interested in when it comes to school for example some of your interests could be computer information systems, psychology, or criminal justice.
Mini systems can be as small as 2 feet in length. Mini systems are small systems.
english - yes metric - no
For just about any type of unit, different units are used between the English system and the SI (metric) system. In both systems, there are units for length, area, volume, mass, force, temperature, etc.
the yard
560 km
Older systems of measurement did not have sufficient precision, since they were based upon such things as the length of an arm, or the length of a foot, when different people have arms or feet that have different lengths.
The English system used meters for measuring length.
feet and meter
Metric and English
This isn't a question.
The English system and the metric system.
in the angles between faces and the number of edges of equal length