From the Geometry Forum Newsgroup Archives

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1996

  1. Bicycle Wheel () 11/18/96
  2. Congruent Triangles (Wes McCollom) 11/08/96
  3. Cable around the Equator () 11/04/96
  4. Concave Triangle Formula (John Erickson) 11/01/96
  5. Logic Puzzles (Lesley Breen) 10/17/96
  6. Brain Teasers (Lesley Breen) 09/24/96
  7. Announcing OOG, The Object Orientation Game v1.1 (Joe Vitale) 07/10/96
  8. Hughmoar County Puzzle (Tyler Stevens) 06/11/96
  9. Probability of a Triangle (Pat Ballew ) 05/29/96
  10. Perimeter of Triangle (Reggie Nelson) 05/22/96
  11. Circles (Mike Slack) 05/20/96
  12. Cut a Rug (SATS5) 05/12/96
  13. Triangulations of Polyhedron (Louxin Zhang) 04/02/96
  14. Right Tetrahedron with Integer Edge Lengths? (Daniel A. Asimov) 01/03/96
  15. Equalizing Apparent Angular Separation of Pairs of Points (Stephen Buckle) 01/03/96

1995

  1. Four legged stool problem (Jeff Wisnia) 12/22/95
  2. Triangle construction (Jose Dominguez) 12/05/95
  3. Rectangle Construction (Maky Manchola) 11/28/95
  4. Prove:PE+PD=AG (Steve Heintz) 11/19/95
  5. Square with Area A (Maky Manchola) 11/14/95
  6. Triangle to Square (David M. MacMillan) 11/07/95
  7. Drawing a tangent to a circle (Richard William Weyhrauch) 11/05/95
  8. Medians of a Triangle (Maky Manchola) 11/03/95
  9. Prove:PE+PM=AN (Steve Heintz) 10/29/95
  10. Largest Equilateral Triangle Inside of Square Torus (Daniel A. Asimov) 10/19/95
  11. Sum of angles of a triangle (Tom Chu ) 10/19/95
  12. Paper folding a 30-60-90 triangle (Pat Ballew) 10/17/95
  13. Rubik's Cube solution (Peter Ejemyr) 10/16/95
  14. Ellipse inscribed in a circle (Adriaan Canter) 10/13/95
  15. Prismoid rule (Vinko Vrsalovic) 10/11/95
  16. Standard Math Symbols in ASCII (Gerald D. Brown) 10/10/95
  17. Foundation problem (Maky Manchola) 10/07/95
  18. Construction problems (Maky Manchola) 10/04/95
  19. Trisecting (or more) an angle (Richard Pennock Jr.) 09/29/95
  20. Object related to a triangle (Pat Ballew) 09/25/95
  21. OOG, The Object Orientation Game (Joe Vitale) 09/19/95
  22. Projecting Ellipsoids: Do You Get Ellipses? (steve gray) 08/05/95
  23. A problem in coor geometry (Mark Tong) 08/02/95
  24. Point Inside Rectangle - distance from vertex (Archie Benton) 07/20/95
  25. Projective Geometry Question (S. G.) 07/13/95
  26. Elephant Puzzle (Bob Hesse) 07/05/95
  27. Circle Reflection (Steve Gray) 06/29/95
  28. Volume of a Geodesic Dome (Jason Acker ) 06/28/95
  29. Looking for Info on G. Spencer-Brown (tbev) 06/25/95
  30. Larger Infinity (Doug D. Nichols) 06/19/95
  31. Volume question (Jason Acker) 06/01/95
  32. Test for 'Euclideanitiy' (Juan Miguel Vilar) 06/01/95
  33. Shortest Crease (BPManning) 05/24/95
  34. Quarter circles in a square (Steve Miller) 05/12/95
  35. Pyramid Problem (Aaron Koller) 04/21/95
  36. Chess Board Puzzle (Evelyn Sander) 04/19/95
  37. Piet Hein's Super Ellipse (Paul Flint) 04/19/95
  38. Ladder puzzle (Evelyn Sander) 04/18/95
  39. Origami - request for sources (Dale Henry) 04/10/95
  40. Puzzles & teaching (Levy4) 03/24/95
  41. How to calculate the circumference of an ellipse (Jongding Wang) 03/14/95
  42. Quadrilateral puzzle (Michael Thwaites) 03/09/95
  43. On triangle-centers determined by angles (John Conway) 03/09/95
  44. Maximum angle (Gerald D. Brown) 03/03/95
  45. Triangles on a triangle (Gerald D. Brown) 02/24/95
  46. Nine-point circle (Scott R Edgell) 02/13/95
  47. Medians of a rt. triangle... (Rinobullet) 02/10/95
  48. A puzzle and a meta-puzzle (Erann Gat) 02/09/95
  49. Triangle Division (Gerald D. Brown) 02/09/95
  50. Three circles (Rinobullet) 02/08/95
  51. Partitioning equal-area rectangles? (Bill Margolis) 02/08/95
  52. Grad School Puzzle (what does angle DEB equal?) (John Conway) 01/31/95
  53. Venn diagrams (Delbecque Yannick) 01/21/95
  54. Shapes of binomial #s (HopD) 01/19/95
  55. How Many Triangles are Created by n Lines in the Plane? (Daniel A. Asimov) 01/17/95
  56. Perpendicular bisector puzzle (Aaron) 01/16/95
  57. Fibonacci geometric sequence (Lewis Hyatt) 01/07/95
  58. Angle trisection - Hamming, Help (Erann Gat) 01/03/95

1994

  1. Measuring length of pile of seaweed (Steve Gray) 12/19/94
  2. Even Chair on Uneven Floor (steve gray) 12/17/94
  3. Looking for a SOMA cube (Bruce Gary) 12/14/94
  4. Circle Puzzle (Evelyn Sander) 11/28/94
  5. Recurrence relations and circle chords (Stephen Weimar) 11/08/94
  6. Can Every Abstract Tetrahedron Be Constructed in 3-Space? (Daniel A. Asimov) 11/04/94
  7. The Unsung Conic Sections (HopD) 09/26/94
  8. Tesseract Projected Along a Main Diagonal (Daniel A. Asimov) 09/02/94
  9. Parametric equation for an general ellipse (Andre) 09/02/94
  10. Where are the Missing Platonic Solids? (Mike Eisenberg) 08/26/94
  11. Where is Rubick of Rubick's cube? (Patricia M.) 08/16/94
  12. Photograph Puzzle (Evelyn Sander) 05/26/94
  13. Steiner-Lehmus Theorem (BMD INC) 05/03/94
  14. 2 Cuts: Rectangle --> Square (Bin Ling) 03/16/94
  15. Old Puzzles (Michael William Connelly) 03/10/94
  16. Radius of the Incircle Puzzle (Annie Fetter) 03/08/94

1993

  1. Triangle Puzzle (Evelyn Sander) 11/24/93
  2. Rugby Problem (Al Cuoco) 10/18/93
  3. Construction Puzzle (Dan Hirschhorn) 09/20/93
  4. Ladder Puzzle (Robert Dekker) 08/24/93
  5. A Geometric Construction Puzzle (Manish S Prabhu) 07/13/93
  6. Folding Problem (Dan Meyer) 06/30/93
  7. From the Pi Mu Epsilon Journal (Beth Bruch) 06/18/93
  8. Stacking Bottles in a Crate (John Olive) 05/24/93
  9. Circle Division (Marion L. Rappa) 05/06/93
  10. Poker Table Puzzle (Guy Jacobson) 03/30/93
  11. Chords of Concentric Circles (Bill Schneider) 03/22/93
  12. Treasure Chest Problem (Michelle Manes) 03/11/93
  13. Let S be a semicircle... (Stan Wagon) 03/01/93
  14. Ladder Problem (Gerco Schot) 03/01/93
  15. Circles and Strips (Cass Dan) 02/18/93
  16. Mazes (J. Shipley Newlin) 02/09/93

1992

  1. Geometrical Parking Problem (Derek Abbott) 11/20/92
  2. Polyhedra Puzzle (David Wilson) 10/12/92
  3. A Quadrilateral Problem (Yatin Saraiya) 09/25/92
  4. Triangle Determined by Altitudes? (Paul Klingsberg) 09/25/92

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The Math Forum
9 August 1999