1. Geometry In Archeitecture By: Trevor Hoffman, Andrew McDermott

2. Circle A plane figure bounded by a single curved line, from the point at the center of the figure. Circle Shaped Building

3. Rectangle The Rectangle has four interior right angles. The Rectangle has two pairs of opposite sides of equal length. Parthenon

4. Semicircle A half of a circle as divided by diameter. Window

5. Parallel Lines Two lines that do not intersect are parallel. Twin Towers

6. Cube A cube has six faces which are all squares, so each face has four equal sides and all four interior angles are right angles. Cubed Shaped Building

7. Square A plane figure having four equal sides. Something having an equal- sided rectangular form. With four congruent sides. Square Sculpture

8. Sphere A three-dimensional surface, all points of which are equidistant from a fixed point. Top Of Building

9. Pyramid A solid figure with a polygonal base and triangular faces that meet at a common point. Ancient Egyptian Pyramid

10. Pentagon A Pentagon is a five sided polygon, with five interior angles. Pentagon

11. Cylinder A solid figure consisting of two parallel bases in the form of congruent, closed curves joined by a smooth, continuous, closed surface. Cylinder Shaped Building

12. Octagon An octagon is a polygon that has eight sides. The internal angle at each vertex of a regular octagon is 135°. Blueprints

13. Cone A solid 3- dimensional object that has a circular base and one vertex. Cone Shaped Structure

14. Bibliography www.google.com www.googleimages.com www.dictionary.com