FRONT RIGHT BOTTOM LEFT BACKĨ 1) Find the surface area of the triangular prism.ĩ 1) Find the surface area of the triangular prism.ġ0 1) Find the surface area of the triangular prism.Ĥ0 sq ft 8 ft 100 sq ft 5 ft 10 ft 200 sq ft 20 ft 20 ft 100 sq ft 40 sq ft 5 ft 8 ft 10 ft 20 ft 10 ftġ1 40 + 40 + 100 + 100 + 200 = 480 sq ft 40 sq ft 100 sq ft 200 sq ftġ2 2) Find the surface area of the triangular prism.ġ3 2) Find the surface area of the triangular prism.ġ4 2) Find the surface area of the triangular prism.ģ0 sq ft 5 ft 128 sq ft 8 ft 12 ft 16 ft 192 sq ft 16 ft 128 sq ft 8 ft 5 ft 30 sq ft 12 ft 16 ft 12 ftġ5 30 + 30 + 128 + 128 + 192 = 508 sq ft 30 sq ft 128 sq ft 192 sq ftġ6 3) Find the surface area of the triangular prism.ġ7 3) Find the surface area of the triangular prism.ġ8 3) Find the surface area of the triangular prism.Ħ0 sq ft 8 ft 220 sq ft 10 ft 15 ft 22 ft 330 sq ft 22 ft 220 sq ft 10 ft 60 sq ft 8 ft 15 ft 22 ft 15 ftġ9 60 + 60 + 220 + 220 + 330 = 890 sq ft 60 sq ft 220 sq ft 330 sq ftĢ0 4) Find the surface area of the triangular prism.Ģ1 4) Find the surface area of the triangular prism.Ģ2 4) Find the surface area of the triangular prism.Ģ.5 sq ft 2 ft 32 sq ft 4 ft 2.5 ft 8 ft 20 sq ft 8 ft 32 sq ft 4 ft 2.5 sq ft 2 ft 2.5 ft 8 ft 2.5 ftĢ3 2.5 + 2.5 + 32 + 32 + 20 = 89 sq ft 2. ![]() ![]() Solution: From the image, we can observe that the side lengths of the triangle are a 5 cm, b 6 cm and c 5 cm. In order to find the surface area, find the area of each face. Example 1: Find the surface area of the triangular prism with the measurements seen in the image. Triangular Prism Total Surface Area Formula is A tot A top + A bot + A lat 96 + 96 + 1392 1,584 m² Triangular Prism top, bottom surface areas are 96 m², lateral surface area is 1392 m², total surface area is 1,584 m², volume is 2,784 m³. How much construction paper will I need to fit on the outside of the shape?Ģ Triangular bases 3 rectangular sides BACK LEFT RIGHT FRONT BOTTOMĦ In order to find the surface area, find the area of each face The surface area formula for a triangular prism is 2 (height x base / 2) + length x width1 + length x width2 + length x base, as seen in the figure below: A triangular prism is a stack of triangles, so the usually triangle solving rules apply when calculating the area of the bases. 2 Definition: The sum of the areas of all of the faces of a three-dimensional figure.
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