The twelve-sided figure shown has been drawn on 1text cm× 1text cm graph paper. What is the area of the figure in textcm^2?

AMC 8 2018 Problem 4

AMC8 2018 年第 4 题

面积与周长（综合）★★☆☆☆

The twelve-sided figure shown has been drawn on

1\text cm\times 1\text cm

graph paper. What is the area of the figure in

\textcm^2

如下图所示的十二边形画在 1cmｘ1cm 的画纸上。那么这个十二边形的面积是多少平方厘米？

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