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CEMC Gauss (Grade 8), 2004

Geometry Difficulty 2.0 Junior Find the answer Canada

$\triangle ABC$ is constructed from nine small, equilateral triangles, as shown. If the perimeter of each of the nine small triangles is $6$ cm, then the perimeter of $\triangle ABC$ , in cm, is

(A) $18$ (B) $24$ (C) $27$ (D) $36$ (E) $54$

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