A decagonal prism has 20 vertices: 10 at each end.
20 edges, 11 vertices (corners) and 11 faces.
By "corners", do you mean vertices or edges?
A hexagonal prism has 18 edges and 12 vertices.
A triangular prism has 6 vertices and 9 edges.
12 faces 20 vertices 30 edges
Edges = 30 Faces = 12 Vertices = 20
There are 30 edges on a decagonal prism.
It depends on a decagonal what. A decagonal prism has 20 vertices. A decagonal pyramid has 11 vertices.
A decagonal prism has 20 vertices: 10 at each end.
A decagonal prism has 20 vertices: 10 at each end.
12 faces * * * * * Correct as far as it goes, but incomplete. 20 vertices 30 edges
By definition, a dodecahedron must have twelve faces. So it must be an decagonal prism. Edges = 30 Faces = 12 Vertices = 20
20 vertices.
19 * * * * * Actually it is 30 edges. Ten around each of the decagonal faces, and ten more connecting the corresponding vertices of the two decagons.
A decagonal based pyramid will have 11 faces, 11 vertices and 20 edges
30