sphere
A triangular pyramid.
Triangular prism of course!
A quadrilateral based pyramid.
A hexahedron, also known as a parallelepiped.
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.
sphere
A hemisphere
6
A Cylinder.
none
cube
It is a sphere
Pyramid
A triangular pyramid.
A cuboid, a parallelepiped.
Tetrahedron