Mr. Berger is building a sandbox for his children. The sandbox is in the shape of a right rectangular prism. The area of the base of the sandbox is 49.2 square feet, and it have a height of 2.25 feet. Mr. Berger plans to fill the sandbox half full of sand.

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2