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Colored Triangles

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In the figure above, the length of segment CD = 12 units and segment EF = 9 units. What is the length of segment AB?

July 18, 2005
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E-mail Solutions to: pow@umassd.edu

   
  Correct Solutions 
 
  1. Radu Ionescu. Montreal, Quebec, Canada
  2. Anthony Pabillano. Flour Bluff Junior High School, Corpus Christi, TX.
  3. Jerome Cherry. NAIT. Edmonton, Alberta Canada
  4. Phillip Ai. Warnsdorfer Elementary School
  5. Mark Wintczak. Naperville, IL
  6. Daniel Adams. BYU, Provo, UT
  7. Frank McGartland. Saskatoon, SK., Canada
  8. Thiparat Chotibut. Bangkok, Thailand
  9. Brian Hetrick, UNH, Manchester NH
  10. Aristides Kyriakakis.  Thessaloniki.  Greece
  11. Omid Kohannim. UCLA, Los Angeles, CA.
  12. Goulas Dimitris. NBG, Larissa, Greece
  13. Anna Li. Sanburg Middle School, Anoka, MN
  14. Tim Poe. Austin TX
  15. Eugene Roytman. New York, NY
  16. Lisa Schechner. Schreiber HS, Port Washington, NY
  17. Sarah Chen. Marie Curie Middle School, New York, NY
  18. Norman Peng. Lowell High School, San Francisco, CA
  19. Graham Anderson. Faith Lutheran College, Plainland, Queensland, Australia
  20. Albert Zhou.  Scott Middle School, Lincoln, NE
  21. Teruo Goto.Aichi,Japan
  22. Nathan Burns. Lester B. Pearson, Ottawa, ON
  23. Ivan Stamenovic. Chicago, IL
  24. Brian Wang. JLS Middle School, CA
  25. Cong Tian. Samoset Middle School, Ronkonkoma, NY
  26. Melody Kuna. Abilene High School, Abilene, TX
  27. Drug Marata. Korenovsk, Russia.
  28. David Shi. JLS Middle School, Palo Alto, CA
  29. Betsy Price. Asheville Christian Academy, Asheville, NC
  30. Vlaicu Crisan. Cluj-Napoca, Romania.
  31. Harry Siebert. Infineon, Munich, Germany
  32. Meltem Guldal.
  33. Nathan Faber. Case Western Reserve University, Cleveland, OH
  34. Eileen Zhu. Kearny, NJ
  35. Alireza Faezifar. Tehran, Iran
  36. Luan Luu. CSU Long Beach, Garden Grove, CA
  37. John Jones, Jr. Swansea, IL
  38. Saxena Deepak. New Delhi, India
  39. Panagiotis Agiakloglou. Athens, Greece
  40. Allamanis Miltiadis. Anatolia High School, Thessaloniki, Greece
  41. Jim Zhang. Vancouver, B.C. Canada
  42. John Heisterberg. Hopkinsville High School, Hopkinsville, KY
  43. Mary Beasley. Mayfield High School, Mayfield, KY
  44. Ralph Morrison. Danville High School, Danville, Kentucky
  45. Ronnie Keates. Campbell County High School, Alexandria, KY
  46. Aditya Kawatra. IIT, Delhi, India
  30% of respondents successfully answered this problem.


 



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