The side of the square is 4 cm less than the length of the rectangle and is 3 cm more than the breadth of the rectangle Let the side of the square be s cm. ⇒ the length of the rectangle =s+4 and the breadth of the rectangle =s−3 Given, area of rectangle = area of square ⇒(s+4)×(s−3)=s2⇒s=12 The required answer is the perimeter of the square