A rectangular prism with a square base is cut from the center of a triangular prism. Each side of the square base measures 1.7 units. A rectangular prism with a square base is cut out of the center of a triangular prism. The triangular prism has base lengths of 5 and 4 units and a height of 5.7 units. The rectangular prism has sides lengths of 1.7 and 4 units. What is the volume of the shaded solid? Round to the nearest tenth of a cubic unit. 11.6 units3 45.4 units3 57.0 units3 68.6 units3