The question is too ambiguous because, depending on its orientation, the top of a triangular prism can be a triangualar face, a rectangular face or an edge.
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It has 2 lines of sym
12 lines of symmetry Hope this help u g-spots :P
there are two plane symmetry on triangular prism.
A triangular prism has 9 parallel lines
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It must have at least one.
A triangular prism has three vertical lines, corresponding to the three edges of its triangular bases. Additionally, it has three vertical edges connecting the corresponding vertices of the two triangular bases. Therefore, in total, a triangular prism has six vertical lines.
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