Which could be the area of the base of the triangular prism?
A triangular prism. The rectangular sides are 5 feet by 4 feet, 5 feet by 5 feet, and 5 feet by 3 feet. The triangular sides have a base of 4 feet and height of 3 feet.
[Not drawn to scale]
6 ft2
10 ft2
12 ft2
20 ft2