Fill in the blanks to complete the formula for the surface area of a triangular prism.

The surface area of a triangular prism is S.A.=+_(S1+S2+S3)_

S.A.=2(S1+S2+S3), where S1, S2, and S3 are the areas of the three rectangular faces of the prism.

The surface area of a triangular prism is S.A. = S1 + S2 + S3, where S1, S2, and S3 represent the areas of the three faces of the prism.