Are all the surfaces flat? What does this tell us about whether or not it is a polyhedron? How many bases does the figure have?
Solid
Base
Faces
Edges
Vertices
Hexagonal Pyramid
RQPONM
RQPONM, RQL, QPL, POL, ONL, NML, MRL
RQ, QP, PO, ON, NM, MR, RL, QL, PL, OL, NL, ML
R, Q, P, O, N, M, L
Practice makes perfect
Let's begin by reviewing the definition of a polyhedron.
A polyhedron is a solid composed of all flat surfaces that enclose a single region of space.
Examining the given solid, we can see that it meets this definition.
Therefore, it is a polyhedron.
Now, let's consider two types of polyhedrons.
A prism has two parallel congruent bases connected by parallelogram faces.
A pyramid has one polygonal base and three or more triangular faces that meet at a common vertex.
The solid has one base that is a hexagon and three triangular faces that meet at the common vertex, so it is a hexagonal pyramid.
Let's recall the meaning of the features that we want to identify.
