8 around each end plus an extra 8 joining the paired vertices, giving 3 x 8 = 24 edges.
A prism has 3 x number_of_edges_around_each_end edges in total.
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A triangular prism has 9 edges!
A Pentagonal Prism has 15 edges.
A square prism has 12 edges.
The rectangular prism has 12 edges.
A triangular prism has 6 edges and so an octagonal prism will have 16 edges.
There are 30 edges on a decagonal prism.
A heptagonal prism has 20 edges.
A rectangular Prism has 12 edges.
A triangular prism has 9 edges!
A Pentagonal Prism has 15 edges.
A square prism has 12 edges.
The rectangular prism has 12 edges.
A triangular prism has 6 edges and so an octagonal prism will have 16 edges.
A triangular prism has 9 edges.
A hexagonal prism has 18 edges.
There is no such shape. A tetrahedron has 6 edges, but it is NOT a prism.
There are twelve edges in a rectangular prism.