P3O1L1Y4H4E1D2R1A1
18 points
POLYHEDRA is validvalid
POLYHEDRON, a solid geometric figure with plane sides [n]
POLYHEDRON, a body or solid contained by many sides or planes [n]
POLYHEDRON, a solid geometric figure with plane sides [n]
POLYHEDRON, a body or solid contained by many sides or planes [n]