Question

a rectangular field is 450 m long and 318 m wide it is to be fenced with a barbed wire .how much wire will be required

Answer 1

1536m of barbed wire is required to fence the field.

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Answer 2

Length of the wire required will be equal to the perimeter of the rectangle.

And the perimeter of a rectangle is

=2×(l+b)

= 2 × (450+318)

= 2×768 = 1536m