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In general, any 10-sided polyhedron is called a decahedron. With 10 regular triangles for faces, you may have a pentagonal bipyramid.
A triangular prism has 5 faces,9 edges and 8 vertices
a cuboid has 6 faces, 12 edges and 8 vertices this is a 3d cuboid incase you get mixed up
A right triangular prism has two identical faces. Two faces may or may not be identical in an oblique prism, in which the lateral edges are not perpendicular to the bases.
No, prisms and pyramids do not have the same number of vertices. A prism has two identical polygonal bases connected by rectangular faces, so it has 2 more vertices than the number of sides in the base polygon. A pyramid has a polygonal base and triangular faces connecting the base to a single vertex, so it has 1 more vertex than the number of sides in the base polygon.