Raju draws a curved line as shown in figure. He wants to measure the length of the curved line, then he uses-----of the following equipment.
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Raju will use a thread or divider to measure the length of the curved line.
Explanation:
- A curved line can not be measured by using a meter scale or an inch tape as it is not possible to measure the length of a curve.
- In order to measure the length of a curved line, a thread can be used.
- Therefore Rahu will use the thread to measure the length of the line.
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