The triangles in the figure above are equilateral and the ratio of the length of a side of the larger triangle to the length of a side of the smaller triangle is 2/1 . If the area of the larger triangular region is K, what is the area of the shaded region in terms of K?
(A) (3K)/4
(B) (2k)/3
(C) (K)/2
(D) (K)/3
(E) (K)/4
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