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How do we measure curved lines?
A curved line cannot be measured by a ruler or a straight scale. A measuring tape or thread must be used instead.
To measure a curved line using a thread, the steps given below should be followed:
- A knot is tied at one end of the thread.
- The thread is placed at the beginning of the line and a small initial portion of the line which is relatively straight is measured.
- A thumb is placed at the other end of the measured portion and the next straighter portion is measured.
- The above step is repeated till the end of the line is reached. At the end of the line, a knot is made.
- Now, the thread is straightened and the length of the two knots is measured on a scale.
Updated on: 10-Oct-2022
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