A net of a rectangular pyramid is shown in the figure.

A net of a triangular prism with base dimensions of 4 inches by 6 inches. The larger triangular face has a height of 4 inches. The smaller triangular face has a height of 4.6 inches.

What is the surface area of the pyramid?

33.2 in2
66.4 in2
90.4 in2
132.8 in2