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Put a string over the curved line. Measure the string.
If you want to do it by calculations for some known function, use integration. Divide the curved line into many small pieces, so that each piece can be approximated by a straight line, and use Pythagoras' Formula for each piece: length = square root of (width2 + height2), using the width and height of the piece. In calculus books, you'll find methods that can get you an exact result in some cases.
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The length of a long curved line?
long
Can The length of a line segment can't be measured?
There is no reason that the length of a line segment can't be measured.There is no reason that the length of a line segment can't be measured.There is no reason that the length of a line segment can't be measured.There is no reason that the length of a line segment can't be measured.
How does one find the length of an arc?
An arc length is the measure of the distance along the curved line making up the arc. It is longer than the straight line distance between the two end points.
How you measure curved line with thread?
Use a thread to measure the length of curved line AB. Put a knot on the thread near one of its end. Place this knot on on point A. Now, place a small portion of thread along the line, keeping it taut using your fingers and thumbs. Hold the thread at this end point with one hand. Using other hand, stretch a little more portion of the thread along the curved line. Go on repeating this process till the other end B of the curved line is reached
Your length cannot be measured but you named by two of your points?
line
