HELP ONLY ANSWER IF YOU ARE TODALLY SURE I WILL GIVE BRAINLEST TO WHOEVER IS RIGHT WORTH 18 POINTS DON'T JUST ANSWER BUT READ IT THEN ASWESR 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.

1. 2(16 × 6) = 192 square feet

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

3. 1 over 2.(16 × 6) = 48 square feet

4. 1 over 2.(6 + 16) = 11 square feet