Forum Geometricorum
Volume 12 (2012)

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13

Nikolaos Dergiades, Harmonic conjugate circles relative to a triangle, 153—159.

12

Calalin Barbu and Ion Patrascu, Some properties of the Newton-Gauss line, 149—152.

11

Luis González and Cosmin Pohoata, On the intersections of the incircle and the cevian circumcircle of the incenter, 141—148.

10

Alberto Mendoza, Three conics derived from perpendicular lines, 131—139.

9

Grégoire Nicollier, Reflection triangles and their iterates, 83—128; correction, 129.

8

Martin Josefsson, A new proof of Yun's inequality for bicentric quadrilaterals, 79—82.

7

Martin Josefsson, Similar metric characterizations of tangential and extangential quadrilaterals, 63—77.

6

Maria Flavia Mammana, Biagio Micale, and Mario Pennisi, Properties of valtitudes and vaxes of a convex quadrilateral, 47—61.

5

Nguyen Ming Ha and Nguyen Pham Dat, Synthetic proofs of two theorems related to the Feuerbach point, 39—46.

4

Larry Hoehn, The isosceles trapezoid and its dissecting similar triangles, 29--38.

3

John F. Goehl, Jr., More integer triangles with R/r = N, 27--28.

2

Martin Josefsson, Characterizations of orthodiagonal quadrilaterals, 13--25.

1

Gotthard Weise, Generalization and extension of the Wallace theorem, 1--11.