Question
The figure shows 2 identical small circles of diameter 40 cm inside a big circle of radius 40 m. Find the area of the unshaded part of the big circle. Express your answer in terms of π.
2 m

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The figure shows 2 identical small circles of diameter 40 cm inside a big circle of radius 40 m. Find the area of the unshaded part of the big circle. Express your answer in terms of π.