20
Edges = 30 Faces = 12 Vertices = 20
12 faces 20 vertices 30 edges
There are 30 edges on a decagonal prism.
A decagonal prism has 12 faces
Vertices: 20 Edges: 30 Faces: 12
It will have 9 faces and 14 vertices
A triangular prism.
i think there is 12 faces are in the decagonal prism this is mhel a decagonal prism has 11 faces
If the prism is based on regular decagons and it is a right prism, all 12 faces.
By definition, a dodecahedron must have twelve faces. So it must be an decagonal prism. Edges = 30 Faces = 12 Vertices = 20
7 faces, 7 vertices's, 12 edges.
A decagonal prism has 12 faces, 30 edges, and 22 vertices. The two decagonal bases contribute 10 vertices each, while the lateral faces (10 rectangles) connect the corresponding vertices of the bases. Thus, the total number of vertices is 10 (top) + 10 (bottom) = 20, and with the 10 edges of the decagons and 10 vertical edges connecting them, you get 30 edges.