Answer / manish varma

1.assume the length of the three sides be a,b and c. so the total cutting length will be: a+b+c+6 times dia of steel.
as the bend at any point does not exceed 180 degree so we have to deduct 2d as same as 90 degree bend.
2. for circular brickwork centreline method will be the best one or we can take the length of the brickwork as the average of inner and outer length.

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