选择题
2007 AMC 8 Problem 12: Hexagram Area Ratio
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?
A.
1:1
B.
6:5
C.
3:2
D.
2:1
E.
3:1