Question

let ABCD be a square whose each side is of length 'a'units.

Answer 1

then,perimeter=4×a cm
And area=a^2 cm^2

Answer 2

then perimeter of the square is 4*side .So, the perimeter will be 4*a=4a and area =a*a
=a^2
Sure it will help you in completing your school work