What is the area of a cross-section that is parallel to face ABCD?

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cm²
A rectangular prism containing dashed lines representing the hidden edges. The face nearest the viewer is a rectangle labeled A B C D with side A D labeled six centimeters and side D C labeled twelve centimeters. The face furthest from the viewer is labeled E F G H. Side C G is labeled thirty-six centimeters. The length of the prism is thirty-six centimeters, the width is twelve centimeters, and the height is six centimeters.