Question

Find the area of a square park whose perimeter is 400m 2

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Answer 1

Answer:

Step-by-step explanation:

Let side of square be x cm

perimeter=4*side of square

But perimeter=400m

400=4*x

x=100m

area of square=side*side

                       =100*100

                       =10000m2

Answer 2

Step-by-step explanation:

perimeter of square =4a

400=4a

400/4=a

100=a

area of square =a^2

=100^2

=10000