Which equation can be used to calculate the area of the shaded triangle in the figure below? A rectangle is shown with a width of 6 ft and a length of 16 ft. There is a diagonal line through the rectangle, and the bottom half is shaded in grey.

A. 2(16 × 6) = 192 square feet

B. 2(16 + 6) = 44 square feet

C. 1 over 2. (16 × 6) = 48 square feet

D. 1 over 2. (6 + 16) = 11 square feet