Question

7. How will you measure the length of any curved line?

Answer 1

Answer:

• Tie a knot at one end of the thread.
• Place the thread at the beginning of the line and try to measure a small initial portion of the line which is relatively straight.
• Place your thumb at the other end of the measured portion and measure next straighter portion.
• Repeat the above step till the end of line is reached.

Answer 2

By a thread

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