1. 10.1 Solid Geometry
Geometry

2. Definitions: Solids- 3-dimensional figures Face: flat surface
Edge: segment that is the intersection of two faces
Vertex: point that is the intersection of three or more faces

3. Diagram

4. Three-Dimensional Figures
Prism: formed by two parallel congruent faces called bases connected by faces that are parallelograms
Cylinders: formed by two parallel congruent circular bases and a curved surface that connects the bases

5. Three-Dimensional Figures
Pyramid: formed by a polygonal base and triangular faces that meet at a common vertex
Cone: formed by a circular base and a curved surface that connects the base to a vertex.

6. Solids Cube: is a prism with six square faces
Other common prisms and pyrimads (named with their bases).

7. Example:
Classify each figure. Name the vertices, edges, and bases. M

8. Definition:
Net: a diagram of the surfaces of a three-dimensional figure that can be folded to form the three-dimensional figure.

9. Example:
Describe the three-dimensional figure that can be made from the given net.

10. Example:
Describe the three-dimensional figure that can be made from the given net.

11. Example:
Describe the three-dimensional figure that can be made from the given net.

12. Example:
Describe the three-dimensional figure that can be made from the given net.

13. Definition
Cross Section: The intersection of a three-dimensional figure and a plane.

14. Example:
Describe the cross sections.

15. Example:
Describe the cross sections.

16. Example:
Describe the cross sections.

17. Example:
Describe the cross sections.

18. Example:
A piece of cheese is a prism with equilateral triangular bases. How can you slice the cheese to make each shape?
An equilateral triangle
A rectangle