AMC 8 2007 Problem 12
AMC8 2007 年第 12 题
四边形与多边形★★★☆☆
A unit hexagram is composed of a regular hexagon of side length 1 and its 6 equilateral triangular extensions, as shown in the diagram. What is the ratio of the area of the extensions to the area of the original hexagon?
一个单位六角星由一个边长为 1 的正六边形及其 6 个等边三角形形状的凸出部分组成,如图所示。则凸出部分的总面积与原来六边形的面积之比是多少?
- A.1:1
- B.6:5
- C.3:2
- D.2:1
- E.3:1
正确答案 · Correct Answer
A
解析 · Solution
解析整理中
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