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Geometry In The Real World
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Geometry In The Real World



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  • 1. Geometry in the Real World
    Kristen Tegze
  • 2. Point
    a zero-dimensional figure; while usually left undefined, has four main representations - the dot, the node, the location, and the ordered pair of numbers.
  • 3. Line (Segment)
    A straight line which links two points without extending beyond them.
  • 4. Plane
    A two-dimensional group of points that goes on infinitely in all directions; made up of infinite lines.
  • 5. Angle
    A shape, formed by two lines or rays diverging from a common point (the vertex).
  • 6. Perpendicular Lines
    A line is perpendicular to another if it meets or crosses it at right angles (90°).
  • 7. Parallel Lines
    Lines are parallel if they lie in the same plane, and are the same distance apart over their entire length.
  • 8. Triangle
    A closed figure consisting of three line segments linked end-to-end.
    A 3-sided polygon.
  • 9. Right Triangle
    A triangle where one of its interior angles is a right angle (90 degrees).
  • 10. Pentagon
    A number of coplanar line segments, each connected end to end to form a closed shape.
  • 11. Hexagon
    A polygon with 6 sides.
  • 12. Square
    A 4-sided regular polygon with all sides equal and all internal angles 90°.
  • 13. Rectangle
    A 4-sided polygon where all interior angles are 90°.
  • 14. Trapezoid
    A quadrilateral which has at least one pair of parallel sides.
  • 15. Parallelogram
    A quadrilateral with both pairs of opposite sides parallel and equal in length.
  • 16. Circle
    A line forming a closed loop, every point on which is a fixed distance from a center point.
  • 17. Cylinder
    A Cylinder is a three-dimensional geometric figure that has two congruent and parallel bases.
  • 18. Sphere
    A three-dimensional surface, all points of which are equidistant from a fixed point.
    A spherical object or figure.
  • 19. Octagon
    A polygon with 8 sides.
  • 20. Decagon
    A polygon with ten sides and ten angles.
  • 21. Nonagon
    A nine-sided polygon.
  • 22. All Done!!!!