Question

when each side of a square was reduced by 2 metres, the area became 49 square metres. what was the length of a side of the original square?​

Answer 1

Answer:

We know that area of a square = a2, where a is the side of square. Given, the original square's side was reduced by 2 metres. ∴ The length of a side of the original square is 9 metres.