Answer
Grazing Area = 339.43 square units
Step-by-step explanation
The area of the grazing are is the area of the sector outside the shaded square.
The area of a sector is given as
where
θ = Angle subtended at the center of the circle by the sector = 360° - 90° = 270°
π = pi = 3.142
r = radius of the circle = 12 units
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