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CEMC Gauss (Grade 8), 2009

Geometry Difficulty 1.0 Junior Find the answer Canada

The perimeter of $\triangle ABC$ is 32. If $\angle ABC = \angle ACB$ and $BC = 12$ , the length of $AB$ is

(A) $20$ (B) $12$ (C) $10$ (D) $8$ (E) $16$

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