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International Journal of Mathematical Education in Science and Technology Volume 39, 2008 - Issue 3
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Classroom Notes

Orthocenters of triangle on the unit hypersphere

Young Joon AhnDepartment of Mathematics Education, Chosun University, Gwangju, 501–759, South Korea
&
Ji Hye LeeDepartment of Mathematics Education, Chosun University, Gwangju, 501–759, South Korea
Pages 419-421 | Received 04 Jan 2007, Published online: 27 Mar 2008

References

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  • Dergiades, N, 2002. Forum Geometr, The perimeter of a cevian triangle 2 (2002), pp. 131–134.
  • Emelyanov, L, 2004. Forum Geometr, On the intercepts of the OI-line 4 (2004), pp. 81–84.
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  • Scimemi, B, 2002. Forum Geometr, Paper-folding and Euler's theorem revisited 2 (2002), pp. 93–104.

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