A decaredra is the ten face solid figure.
Chat with our AI personalities
It is a pentagonal prism
Decagon, if a plane figure or decahedron, if a solid.
10 A decagon is a plane (2-d) figure and so it has only one face. It has 10 sides and 10 vertices.
A prism that has pentagonal cross-section
In general, any 10-sided polyhedron is called a decahedron. With 10 regular triangles for faces, you may have a pentagonal bipyramid.