Question

length definition basic unit instrument used for measuring ​

Answer 1

Answer:

meter

Explanation:

Answer 2

Answer:-

Length - The measurement or extent of something from end to end; the greater of two or the greatest of three dimensions of an object is known as length.

Basic unit of length - metre(m)

Instrument used for measuring length

Tools used to measure length include a ruler, a Vernier caliper, and a micrometer screw gauge. Vernier calipers and micrometer screw gauges are more precise and can be used to measure the diameter of objects like pipe and wire.