Hostname: page-component-78c5997874-v9fdk Total loading time: 0 Render date: 2024-11-14T18:32:47.841Z Has data issue: false hasContentIssue false
  • English
  • Français

103.39 A lemma to solve Langley’s problem

Published online by Cambridge University Press:  21 October 2019

Yongcheng Chen
Yongcheng Chen*
Affiliation:
3315 Edwards Court, Greenville, NC 27858USA e-mail: yongcheng3315@gmail.com
Get access Rights & Permissions [Opens in a new window]

Abstract

An abstract is not available for this content so a preview has been provided. Please use the Get access link above for information on how to access this content.
Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'
Type
Notes
Information
The Mathematical Gazette , Volume 103 , Issue 558 , November 2019 , pp. 521 - 524
Copyright
© Mathematical Association 2019 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Langley, E. M., Problem 644, Math. Gaz., 11 (1922) p. 173.Google Scholar
Honsberger, Ross, Mathematical gems II, The Mathematical Association of America (1976).Google Scholar
Xiao, Zhengang, Geometry transformations, East China Normal University Press (2005).Google Scholar
Coxeter, H. S. M. and Greitzer, S. L., Geometry revisited, The Mathematical Association of America (1967).Google Scholar
Posamentier, A.S. and Salkind, C. T., Challenging problems in geometry, Dover Publications, Inc. (1970).Google Scholar
Quadling, D. A., Last words on adventitious angles, Math. Gaz. 62 (1978) pp. 174–183.Google Scholar
Zhou, Yunming, Seven solutions to an old problem, J. of Mathematics Teaching and Research 1997 (6) pp. 27–28.Google Scholar
Knop, Constantine, Nine solutions to one problem, Quantum, (May-June 1994) pp. 46–49.Google Scholar
Rike, Tom, An Intriguing Geometry Problem, Berkeley Math Circle (2002).Google Scholar
Ye, Jun, Math olympiad for middle school, Hunan Normal University Press (2002).Google Scholar
Tian, Tingyan, Trigonometry and geometry, East China Normal University Press (2005).Google Scholar
Zeng, Guanghong, Geometric solutions to an old problem and teaching studies, J. High School Teaching and Research 2009 (3) pp. 47–48.Google Scholar
Wan, Xiren, Typical problems and new solutions to competition geometry, Harbin University of Technology Press (2010).Google Scholar
Shen, Wenxuan, 500 Famous problems and 1000 theorems in geometry, Harbin University of Technology Press (2010).Google Scholar
Zhao, Li, Geometry Angle problems, Kanghua Xu Math Competition and Research (2018).Google Scholar