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CEMC Gauss (Grade 7), 2002

Geometry Difficulty 3.0 AMC 10/12 Find the answer Canada

In the diagram, $AC = 4$ , $BC = 3$ , and $BD = 10$ . The area of the shaded triangle is

(A) $14$ (B) $20$ (C) $28$ (D) $25$ (E) $12$

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