Question

what are the precautions to be taken while meter scale​

Answer 1

Answer:

the question is wrong dude. send the correct question

Answer 2

Answer:

• Keep the ruler exactly along the length to be measured.
• Keep the ruler exactly along the length to be measured.Avoid using worn out portions of the ruler.
• Keep the ruler exactly along the length to be measured.Avoid using worn out portions of the ruler.Keep the eye vertically above the point where the measurement is to be taken.