Answer:
 616 sq. m
Explanation:
The area of a square = 484 
(Side)2 = 484 
side of a square = 22 m 
According to the question, 
circumference of a circle = perimeter of a square 
2∏r = 4 × 22 
r = 88 × 7/22 × 1/2 
r = 14 m 
Area of a circle = ∏r2 = 22/7 × 142 = 616 sq. m