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Chapter/Lesson: Chapter 10 Lesson 8 Pages: 470
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Objective/Title: Solid Figures/3-Dimensional Figures
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Important Terms
Quick Solve
Solid Figures
Polyhedra
Cylinder Cone Sphere
Prism
Pyramid
Practice Questions
Picture of
Shape
Name of Shape
Number of
Faces
Number of
Vertices
Number of
Edges
Rectangular
Prism
6
8
12
Triangular
Prism
5
6
9
Square Pyramid
5
5
8
Triangular
Pyramid
4
4
Cylinder
2 Bases
0
0
Cone
1 Base
0
1 Apex
0
6
Notes and Examples
Parts of a Solid Figure
Vertex: point
where 3 or more
faces meet
Face: polygon
shape; also a flat
surface
Edge: segment
formed where
two faces meet
Base: face the solid
appears to rest on
Solid Figures are 3-Dimensional figures that occupy a portion of space.
Cylinder
Cone
A cone is a solid figure, but is not
considered a polyhedron. It has only
one circular base. It does not have
any faces because faces are regular
polygons, meaning they have
straight sides. The point at the top is
called the apex, it is NOT a vertex.
Sphere
A sphere is a solid figure, but
is not considered a
polyhedron. It has no bases
and no faces.
A cylinder is a solid figure,
but is not considered a
polyhedron. It has two
congruent, circular bases. It
also has one rectangular face
that is curved around the
circular bases.
A polyhedron is a solid figure with faces that are polygons (triangles, rectangles, ...)
Triangular Prism
Pentagonal Prism
Rectangular Prism
Hexagonal Prism
A prism is a polyhedron with two congruent,
parallel bases. The shapes of the bases give
each prism their specific names. The bases
are always connected by rectangular faces. A
cube is a special prism which has bases and
faces that are all squares.
Triangular Pyramid
Square Pyramid
Pentagonal Pyramid
Hexagonal Pyramid
A pyramid is a polyhedron with only one
base. The shape of the base determines the
specific name of each pyramid. The faces are
always triangles that meet at a common
vertex.