19
* * * * *
Actually it is 30 edges.
Ten around each of the decagonal faces, and ten more connecting the corresponding vertices of the two decagons.
Chat with our AI personalities
There are 30 edges on a decagonal prism.
30
A decagonal prism has 20 vertices: 10 at each end.
i think there is 12 faces are in the decagonal prism this is mhel a decagonal prism has 11 faces
20 vertices.