The length of the side of a square whose area is four times the area of a square with a side 25m is-

Question: The length of the side of a square whose area is four times the area of a square with a side 25m is-

Solution:
Area of given square = 25² = 625 m²
Area of new square = 625 × 4 = 2500 m²
Side of new square = √2500 = 50 m