Teacher drawn different types of lines on the board with chalk. Write a method to find out the length of a curved line?
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Explanation:
you can do it by :
take a thread and measure it along the curved line and then you measure that thread with scale
(or )
firstly you draw a straight line from one corner to other corner then measure it then you should consider half of it after that you have to use the formula
2πr = 2×22/7×( the half which you considered) and then continue the processafter that you can cancel if it cancels with any other number
I know only these methods
hope it is useful for you
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