Question 4(Multiple Choice Worth 4 points) (05.01)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 4 ft and a length of 12 ft. There is a diagonal line through the rectangle, and the bottom half is shaded in grey.

2(12 × 4) = 96 square feet
1 over 2.(12 × 4) = 24 square feet
2(12 + 4) = 32 square feet
1 over 2.(4 + 12) = 8 square feet