Question

What has been chosen as the standard unit of length where is the sample unit length keypad describe the correct method of measuring length

Answer 1

Answer:

We know some non-standard units of length like hand-span, cubit, etc., and also with standard units of length like meter and centimeter. We have seen a meter-rod used by a tailor. It is used to measure the length of a cloth. The length of a meter-rod is called meter.

Explanation: