Question

the length of aline measured with a20 metere chain was found to be 250 metere calculate the true lenght of line if the chain was 10 cm too long​

Answer 1

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$\bold{Explanation:}$

The length of a line measured with a 20 m chain was found to be 250 m. Calculate the true length of the line if the chain was 10 cm too long. Explanation: Incorrect length of the chain is 20 + 10/100, ie 20.1 m. Measured length is 250, hence true length of the line is 250 × (20.1/20)=251.25 m.