A triangular prism. The rectangular sides are 2.5 millimeters by 8 millimeters, 8 millimeters by 6.5 millimeters, and 8 millim
eters by 6 millimeters. The 2 triangular sides have a base of 2.5 millimeters and height of 6 millimeters. The triangular prism shown has triangular face(s) and lateral face(s). The area of one triangular face is mm2. The surface area of the triangular prism is mm2.