EDGES
There is no solid figure with only four edges. The smallest solid figure is the tetrahedron, made up of four triangular faces, but it has six edges.
6
There is no such figure.
sphere
A hemisphere
It is a hexahedron
A hollow sphere.
The solid figure that has the same number of faces and vertices and has 8 edges is a cube. A cube has 6 faces, 8 vertices, and 12 edges, so it fits the description given.
A Cylinder.
A triangular pyramid has 4 faces and has 6 edges
rectangular prism