Forum Geometricorum
Volume 7 (2007)
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- Joseph Stern, Euler's triangle determination
problem, 1--9.
- Christopher J. Bradley, David Monk, and Geoff
C. Smith, On a porism associated with the Euler and Droz-Farny lines, 11--17.
- Yu-Dong Wu and Zhi-Hua Zhang, The edge-tangent
sphere of a circumscriptible tetrahedron, 19--24.
- Melissa Baker and Robert C. Powers, A stronger
triangle inequality for neutral geometry, 25--29.
- Jingcheng Tong and Sidney Kung, A simple construction
of the golden ratio, 31--32.
- Tom M. Apostol and Mamikon A. Mnatsakanian, The
method of punctured containers, 33--52.Â
- Eric Danneels and Floor van Lamoen, Midcircles
and the arbelos, 53--65.
- Clark Kimberling, Ceva collineations, 67--72.
- Paris Pamfilos, Orthocycles, bicentrics, and
orthodiagonals, 73--86.
- Bernard Gibert, Bicevian Tucker circles, 87--97.
- Claudi Alsina and Roger B. Nelsen, A visual
proof of the Erd"os-Mordell inequality, 99--102.
- Harold Connelly, Nikolaos Dergiades, and Jean-Pierre,
Construction of a triangle from a vertex
and the feet of two angle bisectors, 103--106.
- Giovanni Lucca, Three Pappus chains inside the
arbelos: some identities, 107--109.
- Floor van Lamoen, Some Powerian pairs in the
arbelos, 111--113.
- Quang Tuan Bui, The arbelos and nine-point circles,
115--120.
- Hiroshi Okumura and Masayuki Watanabe, Characterizations
of an infinite set of Archimedean circles, 121--123.
- Hiroshi Okumura and Masayuki Watanabe, Remarks
on Woo's Archimedean circles, 125--128.
- Lubomir Markov, Heronian triangles whose areas
are integer multiples of their perimeters, 129--135.
- Sadi Abu-Saymeh and Mowaffaq Hajja, Coincidence
of centers for scalene triangles, 137--146.
- Claudi Alsina and Roger B. Nelsen, On the diagonals
of a cyclic quadrilateral, 147--149.
- Tibor Dosa, Some triangle centers associated
with the excircles, 151--158.
- Clark Kimberling, Fixed points and fixed lines
of Ceva collineations, 159--168.
- Cosmin Pohoata and Paul Yiu, On a product of
two points induced by their cevian triangles, 169--180.
- Apoloniusz Tyszka, Steinhaus' problem on
partition of a triangle, 181--185.
- Jean Pierre Ehrmann,
Constructive solution of a generalization of Steinhaus' problem on partition
of a triangle, 187--190.
- Nikolaos Dergiades, The
Soddy circles, 191--197.
- Michel Bataille, Cyclic
quadrilaterals with prescribed Varignon parallelogram, 199--206.
- Finbarr Holland, Another
verification of Fagnano's theorem, 207--210.
- Bernard Gibert, How pivotal
isocubics intersect the circumcircle, 211--229.
- Christopher Bradley and Geoff
C. Smith, On a construction of Hagge, 231--247.
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