Question

when each side of the square was reduced by 2 metre the area became 49 square metre what was the length of a side of the original square​

Answer 1

side length of the original square is 9 m ,since 7+2=9

so the area of the square would be s^2

9*9 =81

Area of the original square is 81metre square

and original length of the square is 9metre