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Result 1 to 20 of 109 total

GeoGebra construction of the roots of quadratic, cubic and quartic equations. (English)
Forum Geom. 16, 29-35 (2016).
Classification: G85 G45 H35
MPG SFX Services
1
Another synthetic proof of Dao’s generalization of the Simson line theorem. (English)
Forum Geom. 16, 57-61 (2016).
Classification: G45
MPG SFX Services
2
A ladder ellipse problem. (English)
Forum Geom. 16, 63-67 (2016).
Classification: G45
MPG SFX Services
3
Two pairs of Archimedean circles derived from a square. (English)
Forum Geom. 16, 23-24 (2016).
Classification: G45 G85
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4
Do dogs play with rulers and compasses? (English)
Forum Geom. 15, 159-164 (2015).
Classification: G40 G80 I40 N60 Reviewer: Antonio M. Oller (Zaragoza)
MPG SFX Services
5
Circle incidence theorems. (English)
Forum Geom. 15, 211-228 (2015).
Classification: G45 G75 Reviewer: Hiroshi Okumura (Osaka)
MPG SFX Services
6
A gallery of conics by five elements. (English)
Forum Geom. 14, 295-348 (2014).
Classification: G70 Reviewer: Rolf Riesinger (Wien)
MPG SFX Services
7
A note on Haga’s theorems in paper folding. (English)
Forum Geom. 14, 241-242 (2014).
Classification: A25 A85 G45 G65 Reviewer: Alexandru Negrescu (Bucharest)
MPG SFX Services
8
Two tangent circles from jigsawing quadrangle. (English)
Forum Geom. 14, 247-248 (2014).
Classification: G45 Reviewer: Antonio M. Oller (Zaragoza)
MPG SFX Services
9
A note on reflections. (English)
Forum Geom. 14, 155-161 (2014).
Classification: G45 Reviewer: Wolfgang Globke (Adelaide)
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10
A simple proof af Gibert’s generalization of the Lester circle theorem. (English)
Forum Geom. 14, 123-125 (2014).
Classification: G75 Reviewer: Antonio M. Oller (Zaragoza)
MPG SFX Services
11
A note on the Fermat-Torricelli point of a class of polygons. (English)
Forum Geom. 14, 127-128 (2014).
Classification: G45 Reviewer: Antonio M. Oller (Zaragoza)
MPG SFX Services
12
Kitta’s double-locked problem. (English)
Forum Geom. 14, 43-50 (2014).
Classification: G45 Reviewer: Antonio M. Oller (Zaragoza)
MPG SFX Services
13
Angle and circle characterizations of tangential quadrilaterals. (English)
Forum Geom. 14, 1-13 (2014).
Classification: G45 G65 Reviewer: Ana Soledad Meroño Moreno (Madrid)
MPG SFX Services
14
The associated harmonic quadrilateral. (English)
Forum Geom. 14, 15-29 (2014).
Classification: G45
MPG SFX Services
15
Characterizations of trapezoids. (English)
Forum Geom. 13, 23-35 (2013).
Classification: G45 Reviewer: Mowaffaq Hajja (Irbid)
MPG SFX Services
16
The $f$-belos. (English)
Forum Geom. 13, 103-111 (2013).
Classification: G75 G45 Reviewer: Mowaffaq Hajja (Irbid)
MPG SFX Services
17
Derivation of the law of cosines via the incircle. (English)
Forum Geom. 13, 133-134 (2013).
Classification: G60 Reviewer: Francisco Vittone (Rosario)
MPG SFX Services
18
A Sangaku-type problem with regular polygons, triangles, and congruent incircles. (English)
Forum Geom. 13, 185-190 (2013).
Classification: G45 Reviewer: Antonio M. Oller (Zaragoza)
MPG SFX Services
19
Gossard’s perspector and projective consequences. (English)
Forum Geom. 13, 169-184 (2013).
Classification: G45 Reviewer: Mowaffaq Hajja (Irbid)
MPG SFX Services
20
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Result 1 to 20 of 109 total

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