Answer:
13.76 square meters
Step-by-step explanation:
The side of square is 8 meters.
So, the diameter of circle = 8 meters.
⇒ Radius = (diameter of circle) ÷ 2 = 8 ÷ 2 = 4 meters
Shaded region = Area of square - Area of circle
            = (Side × Side) - π × (radius)²
            = 8 × 8 - π × 4 × 4         {∵ π = 3.14 or 22÷7}
            = 64 - 50.24
            = 13.76 square meter