It's time for some simple geometry fun to start off the new year.

You will be given the perimeter P and the area A of a rectangle. With these two values, calculate the area of the circle that circumscribes this rectangle. This means we're looking for the area of the circle that touches this rectangle only at the four vertices of the rectangle.

Good luck, and Happy 2019!

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Last Solution submitted on Jan 21, 2026

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George Berken cokakola Dyuman Joshi Christian Schröder

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