PUMaC 2021 · 几何（B 组） · 第 3 题

PUMaC 2021 — Geometry (Division B) — Problem 3

A circle is inscribed in a regular octagon with area 2024. A second regular octagon is inscribed √ in the circle, and its area can be expressed as a + b c , where a, b, c are integers and c is square-free. Compute a + b + c . √

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