1. Objective - To identify features of three-dimensional solids.
Polyhedrons -
Closed figures bounded by polygons.
Prisms
Pyramids
Other Polyhedrons
Non-Polyhedrons
Cylinders
Cones
Spheres
Oblique
Cylinder

2. Use the solid below to name the following.C
5 Vertices
8 Edges
5 Faces

3. Sketching the Net of a 3-D Solid
2-D Net

4. Sketching the Net of a 3-D Solid
2-D Net

5. Sketch the net for the 3-D solids below.1) 2) 3)

6. Determine whether the following are nets of a cube.1) 4)
Yes
Yes 2) 5) No
Yes 3) 6)
Yes
Yes

7. Any three points will always be coplanar.
Non-coplanar Q P P
When a set of points
could be in the same plane.
When a set of points can
not be in the same plane.
Any three points will always be coplanar.
It takes at least four points to be non-coplanar.

8. in different planes that do not intersect and are not parallel.
Parallel Lines
Perpendicular Lines
- Lines
in the same plane that
do not intersect. -
Lines that meet at 90 . X Y A B N M C D
Skew Lines
- Lines
in different planes that
do not intersect and
are not parallel.

9. Use the figure to find the following:A B E F D C H G
Two pairs of
Parallel Lines
Two pairs of
Parallel Planes
Two pairs of
Skew Lines

10. Describe the intersection of the following.
Two Lines
(1-D)
Two Solids
(3-D)
Point
0-D
Plane
2-D
Two Planes
(2-D)
Two Times
(4-D)
Past
Future
Present
Line
1-D
Space
3-D

11. Describe all the ways that three planes could
intersect in space.
No Intersection
Intersects at a Line
Intersects at a Point