A triangular prism has 9 parallel lines
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4
55,5555555,555555555,55555555,34723894751923875
5
9 perpendicular lines
It has 2 lines of sym
None.
In a general triangilar prism, none.In a right triangular prism, three pairs and one triplet.In a general triangular prism, none. In a right triangular prism, three pairs and one triplet.
Infinite lines of symmetry
2
None.