To find the surface area of a triangular prism, you need to calculate the area of each face and add them together.
1. Find the area of the triangular base:
- Use the formula A = 0.5 * base * height
- Let's say the base of the triangle is 4 units and the height is 3 units.
- A = 0.5 * 4 * 3 = 6 square units
2. Find the area of the rectangular sides:
- The two sides of the prism are rectangular, so the area of each side is length * width
- Let's say the length of the rectangular sides is 5 units and the width is 3 units.
- Area of one side = 5 * 3 = 15 square units
- Since there are two sides, the total area of the rectangular sides is 2 * 15 = 30 square units
3. Add the areas of the triangular base and rectangular sides:
- Total surface area = 6 (triangular base) + 30 (rectangular sides) = 36 square units
Therefore, the surface area of the triangular prism is 36 square units.
Surface Are of Triangular Prisms Quick Check
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