Question

Please solve this 11th sum? Please
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Answer 1

(a) Square field with side 'a'= 63m.
     Area of a square = a x a = 63 x 63 = 1569m^2
(b) Perimeter of a square = 64m , i.e, p=64m
    Perimeter of a square (p) = 4 x a = 64m
                                   i.e, a= 64/4=16m 

      So, Are of the field is= a x a = 16 x 16 = 256m^2

....................I hope this could be helpful to you.