Question

Explain two methods those you can use to measure the length of a curved line?​

Answer 1

Answer:

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. Make a knot at the end of the line.

Answer 2

To measure the length of a curved line ‘AB’ we take a long thread. We take one end of the thread and put it on the point ‘A’ of the curved line. Now, we move the thread along the curved line and hold the other end of the thread when it reaches the point ‘B’ . Now, we stretch the thread along a meter ruler and measure it. This is the length of the curved line.

Explanation:

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