Question
In the circle, the ratio of the area of the shaded part to the area of the unshaded part is 4 : 1. Given that the area of the shaded part is 36 m2, what is the area of the circle?
2 m

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In the circle, the ratio of the area of the shaded part to the area of the unshaded part is 4 : 1. Given that the area of the shaded part is 36 m2, what is the area of the circle?