You have to count the lines on a solid figure
It has five verticies.
faces-6 verticies-8 edges-12
a pyramid has 6 verticies
Yes and no. Yes = plane figure No = solid figure.
Verticies Verticies
Hexahedron
A triangular prism has 6 verticies
'Enneahedron' - a solid figure with nine faces
A pyramid is a solid figure with one vertix.
A triangular prism has an amount of 4 verticies?
A solid figure with twenty faces is called an Icosahedron.