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An appealing image accompanying a mathematics question, isolated from textual context. It focuses on a triangular prism, made of transparent material, to allow for clear identification of its individual faces. Each face, two triangular and three rectangular, are distinctively color-coded. Additional elements include a tape measure wrapped partially around the prism, indicating measurements, and a pencil resting nearby, indicating the problem-solving context. The scene is set on a wooden desk and well-lit to create an educational atmosphere. No text is included in the image to maintain focus on the geometry of the prism.

Fill in the blanks to complete the formula for the surface area of a triangular prism. (1 point) The surface area of a triangular prism is S.A.=+(S1+S2+S3).

S.A. = S1 + S2 + S3 + (L1 + L2 + L3) × h