2023 AMC 8 Problems/Problem 12
First the total area of the radius circle is simply just . Using our area of a circle formula.
Now from here we have to find our shaded area. This can be done by adding the areas of the radius circles and add then take the area of the radius circle and subtracting that from the area of the , 1 radius circles to get our resulting complex area shape. Adding these up we will get
Our answer is
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