Question

Look at the solid shown below.



Which statement is true about the solid?
Answer
It is a regular polyhedron as the vertex meets the center of the base.
It is a regular polyhedron as all its faces are comprised of congruent squares.
It is a non-regular polyhedron as all its faces are comprised of four-sided polygons.
It is a non-regular polyhedron as the vertex meets the base at an angle greater than 90°.