选择题
2013 AMC 8 Problem 24: Three Squares Shaded Pentagon
Squares ABCD, EFGH, and GHIJ are equal in area. Points C and D are the midpoints of sides IH and HE, respectively. What is the ratio of the area of the shaded pentagon AJICB to the sum of the areas of the three squares?
2013 AMC 8 第 24 题：三个正方形阴影五边形
正方形 ABCD、EFGH 和 GHIJ 面积相等。点C和D分别是边IH和HE的中点。阴影五边形 AJICB 的面积与三个正方形面积之和的比是多少
A.
1/4
B.
7/24
C.
1/3
D.
3/8
E.
5/12