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PUMaC 2010 · 几何（B 组） · 第 1 题

PUMaC 2010 — Geometry (Division B) — Problem 1

专题
Discrete Math / 离散数学
难度
L3
来源
PUMaC

题目详情

  1. In a polygon, every external angle is one sixth of its corresponding internal angle. How many sides does the polygon have?
解析
  1. In a polygon, every external angle is one sixth of its corresponding internal angle. How many sides does the polygon have? [Answer] 14 [Solution] Each external angle is 180/7 degrees. So total number of sides is 360 / 180 ∗ 7 = 14.