Question

Teacher drawn differnt types of lines on the board with chalk. Write a method to find out the length of a curved line?
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Answer 1

Answer:

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Answer 2

Answer:

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 = 2x22/7x( 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

Explanation:

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