1) area of half of the circle: 628.32 are of parallelogram: 4000 Exact area of shaded: 3,371.68 cm squared. The answer to the equation under the shape is: A = 4000 - 628.32 π in²
2) area of both circles added together: 173.18 full area of rectangle: 220.5 Exact area of shaded: 47.32 The answer to the equation under the shape is: A = 220.5 - 173.18 π in²