Posted by **Sara** on Wednesday, August 8, 2012 at 11:07pm.

The figure above consists of two equilateral triangles, one of which is inside the other. If the unshaded region within the larger triangle makes up 8/9 of that triangle's area, what is the ratio of the perimeter of the larger triangle to the perimeter of the smaller triangle?

( The figure looks like a smaller triangle (shaded) inscribed in a bigger triangle ( unshaded)

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