16
5 pairs of parallel lines, plus a set of 5 parallels.
A octagonal prism has 32 right angles!!!!!
18
3D shapes don't have lines of symmetry they have plane's of symmetry.
A rectangular prism has three pairs of parallel lines. The top and bottom faces are parallel to each other, the front and back faces are parallel, and the two side faces are parallel. This makes a total of three pairs of parallel lines in a rectangular prism.
An octagon had four pairs of parallel lines.
16
A triangular prism has 9 parallel lines
5 pairs of parallel lines, plus a set of 5 parallels.
An octagonal prism has 16 vertices (or corners).An octagonal prism has 16 vertices (or corners).An octagonal prism has 16 vertices (or corners).An octagonal prism has 16 vertices (or corners).
A rectangular prism has 3 sets of 4 parallel lines and 24 angles.
A octagonal prism has 32 right angles!!!!!
18
i think a octagonal prism has 32 right angles! :)
3D shapes don't have lines of symmetry they have plane's of symmetry.
A rectangular prism has three pairs of parallel lines. The top and bottom faces are parallel to each other, the front and back faces are parallel, and the two side faces are parallel. This makes a total of three pairs of parallel lines in a rectangular prism.
An octagonal prism has 16 vertices.