What is the surface area of the figure? 428 ft² 560 ft² 632 ft² 888 ft² irregular backwards l-shaped prism. the dimensions are 14 ft long in the front. then on the left side goes up 8 ft. then in to the right 8 ft. from the 14 ft in the front it goes back 6 ft. then up 14 ft. a.428 ft² b.560 ft² c.632 ft² d.888 ft²