Question

how much total wire is needed for 50 m lenght of a squar field to fence it with three rows of thron wire?​

Answer 1

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600 m of wire

Step-by-step explanation:

perimeter of sq. = 4 X side

                           = 4 X 50

                           = 200 m

∴ to fence it once, 200 m of wire is required.

∴ to fence it 3 times,

wire needed = 200 X 3

                     = 600 m

$\sf \pmb{ Answer\:=600\:m}$