Three-Dimensional FiguresPyramids

• A pyramid is a polyhedron that has one base. The base can be any polygon. The other faces are triangles.

Prisms• A prism is a polyhedron that

has two parallel congruent bases.

Edge: Where two faces meet.

Vertex: Where three or more edges meet.

Face: A flat surface of a solid.

Base: The face that is used to classify a solid.

The most famous of Egypt’s monuments are the huge stone pyramids at Giza, and the largest of these is the Great Pyramid. No one knows exactly when the tombs were built, but some archaeologist think the first one might have been built around 2780 BC.

Name the shape of the ancient Egyptian structures.

Rectangular Pyramid

deonsimph...gspot.com/201008/great-pyr...eops.html

ParthenonThe Parthenon was built around 440 BC by the ancient Greeks. Its purpose was to house a statue of the Greek goddess of wisdom, Athena.

Describe the three-dimensional shapes you see in the structure.

Rectangular prism, cylinders

greecetravel.com/photos/favorites/PhotoAlbum1/athens-pa..._view.htm

The leaning Tower of Pisa began to lean as it was being built. To keep the tower from falling over, the upper sections (floors ) were built slightly off center so that the tower would curve away from the way it was leaning.

What shape is each section of the tower?

cylinder

Math Writing Homework2/2/11

Look in magazines or on the Internet to find two buildings that are

constructed from three-dimensional figures (figures shown in this lesson) and describe them. Include buildings made from more than one figure and

name figures involved. Write in complete sentences!

DUE 2/7/11