Kyle Bach
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  • 1. Kyle Bach Geometry in the Real World Block 1 Mrs.Sykes 12-11-09
  • 2. A zero-dimensional figure. A geometric element that has position but no extension Point
  • 3. Line A two-dimensional object that has no endpoints and continues on forever in a plane; formed of infinite points
  • 4. Plane A two-dimensional group of points that goes on infinitely in all directions; made up of infinite lines
  • 5. Angle the union of 2 rays that have the same endpoint
  • 6. Perpendicular 2 segments, rays, or lines that form a 90 degree angle
  • 7. Parallel Two or more coplanar lines that have no points in common
  • 8. Triangle A polygon with three sides
  • 9. Right Triangle A triangle that has a 90 degree angle
  • 10. Pentagon A five-sided polygon
  • 11. Hexagon A six-sided polygon
  • 12. Square
      • An equilateral and equiangular quadrilateral
  • 13. Rectangle
      • A quadrilateral whose angles are all right angles
  • 14. Trapezoid A quadrilateral that has at least one pair of parallel sides
  • 15. Parallelogram A quadrilateral with both pairs of opposite sides parallel.
  • 16. Circle The set of points on a plane at a certain distance from a certain point (center); a polygon with infinite sides
  • 17. Cylinder The surface of a cylindrical solid whose base is a circle
  • 18. Sphere The set of points in space equidistant from a certain point
  • 19. Square Pyramid The surface of a conic solid whose base is a square
  • 20. Cube A hexahedron with six equal squares as faces
  • 21. Polyhedron A solid figure bounded by plane polygons or faces