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Find the area of a square park whose perimeter is 320 m.

Q. 2.     Find the area of a square park whose perimeter is 320\; m.

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It is given that the perimeter of the square park is 320\; m

Now, we know that 

The perimeter of a square is (P) = 4a   , where a is the side of the square

\Rightarrow 4a = 320

\Rightarrow a = \frac{320}{4}=80 \ m

Now,

Area of the square (A) = a^2

\Rightarrow a^2 = (80)^2 = 6400 \ m^2

Therefore, the area of a square park  is  6400 \ m^2

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