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CEMC Gauss (Grade 8), 2011

Geometry Difficulty 3.0 AMC 10/12 Find the answer Canada

The trapezoid shown has a height of length 12 cm, a base of length 16 cm, and an area of $162\text{ cm}^2$ . The perimeter of the trapezoid is

(A) $51\text{ cm}$ (B) $52\text{ cm}$ (C) $49.\overline{6}\text{ cm}$ (D) $50\text{ cm}$ (E) $56\text{ cm}$

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