The area of a rectangular field is 1600 sqm. If the length of the field is 80m, then the perimeter of the field is ____ m.

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Detailed Solution

The area of a rectangular field is 1600 sqm. If the length of the field is 80m, then the perimeter of the field is 200 m.
Given that area of a rectangular field is 1600 sq.m and length of the field = 80 m.
Area of a rectangle = length

\times

breadth

\Rightarrow

1600 = 80

\times

\Rightarrow

b =

\frac{1600}{80}

\Rightarrow

b = 20
∴ Breadth of the rectangle is 20 m.
Now, we can find the perimeter of the field.
Perimeter of a rectangle = 2

\times

(l + b)
= 2

\times

(80 + 20)
= 2

\times

100
= 200
∴ Perimeter of the field is 200 m.

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