AMC8 1998 Problem 23

Past Contests AMC8 AMC 8 - 1998
1

If the pattern in the diagram continues, what fraction of the interior would be shaded in the eighth triangle?

Image
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Answer Choices
A. \dfrac{3}{8}
B. \dfrac{5}{27}
C. \dfrac{7}{16}
D. \dfrac{9}{16}
E. \dfrac{11}{45}