Question

what is meant by a standard unit of measurement why it is necessary to have standard units of measurement name the SI unit of the length ?​

Answer 1

Answer:

Metre

Explanation:

It is the unit of measurement that has fixed value which doesn't change from person to person or place to place.

It is necessary to have a standard unit of length of length for the sake of measurement.

The SI unit for measuring length is = METRE (m)