The surface area of the triangular prism is 330 centimetres cube.
How to find the surface area of a triangular prism?
surface area of a triangular prism = (a + b + c) l + 2(base area)
where
- a, b and c are the sides of the base
- l = height of the prism
Hence,
surface area = (5 + 12 + 13)9 + 5 × 12
surface area = 30(9) + 60
surface area = 270 + 60
surface area = 330 cm³
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