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How do you calculate the area of a shaded region of a circle?
How do I calculate the area of the unshaded part?
To calculate the area of the unshaded part, you need to find the area of the smaller circle within the shaded region. You can use the same formula A = πr^2 to calculate the area of the smaller circle, and then subtract this from the area of the whole circle to get the area of the unshaded part.