what is the area of the shaded region ??

Answer:
141.37 cm²
Step-by-step explanation:
Area of the large circle = 9²π = 81π
Area of a the small circle = 6²π = 36π
Area of the shaded region = Area of the large circle - Area of the small circle = 81π - 36π = 45π
45π = 141.3716694 ≈ 141.37