PUMaC 2008 · 几何（A 组） · 第 3 题

PUMaC 2008 — Geometry (Division A) — Problem 3

(3 points) Consider a 12-sided regular polygon. If the vertices going clockwise are A, B, C, D, E, F, etc, draw a line between A and F, B and G, C and H, etc. This will form a smaller 12-sided regular polygon in the center of the larger one. What is the area of the smaller one divided by the are of the larger one? 2 2

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