CEMC Cayley, 1998

Geometry Difficulty 2.0 Junior Find the answer Canada

In the diagram, $ABCD$ is a rectangle with $DC = 12$ . If the area of triangle $BDC$ is 30, what is the perimeter of rectangle $ABCD$ ?

(A) $34$ (B) $44$ (C) $30$ (D) $29$ (E) $60$

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