It is not a prism, and there is no such thing as a prisam.
Yes.
is a sphere a prisam
An octagonal prism has 16 vertices.
It is the area of the trapezoidal face multiplied by the length of the prism.
It is not a prism, and there is no such thing as a prisam.
A triangle has no prisms.
Yes.
is a sphere a prisam
A hexagonal prisam consists of two identical hexagonal faces (called bases), parallel to one another, and joined to one another with six rectangular faces. A triangular prism has two triangular bases.
10.
Rectangular prisam IM 12
Two triangles and three rectangles.
A triangular prism has 5 faces.
A rectangular prism has 6 faces.
A triangular prism has 9 edges.
An octagonal prism has 16 vertices.