9 perpendicular lines
1 at the base
There are twp perpendicular edges in a triangular prism. See if you draw a triangle you'll have two angles or edges that are the same length. That is if you draw a standard triangle.
they have 4 rectangular
12 lines of symmetry Hope this help u g-spots :P
A triangular prism has 6 verticies
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It need not have any. A right triangular prism has 12 pairs but could have 14.
A triangular prism has 9 parallel lines
1 at the base
There are twp perpendicular edges in a triangular prism. See if you draw a triangle you'll have two angles or edges that are the same length. That is if you draw a standard triangle.
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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they have 4 rectangular
It has 2 lines of sym