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Result 1 to 20 of 39 total

Symmetric is optimal ‒ optimal is symmetric. (Symmetrisch ist optimal ‒ optimal ist symmetrisch.) (German)
Monoid 36, No. 125, 33-43 (2016).
Classification: I40
1
Constructing and animating metamorphoses of polyhedra. (Polyeder-Metamorphosen konstruieren und animieren.) (German)
MNU J. 69, No. 1, 21-25 (2016).
Classification: G40 U70
2
Regular polygons and polynomial curves. (English)
Math. Compet. 28, No. 2, 16-24 (2015).
Classification: I20
3
Working together with equilateral triangles. (Mit gleichseitigen Dreiecken gemeinsam arbeiten.) (German)
Grundschulzeitschrift 29, No. 281, 46-49 (2015).
Classification: G21 G22 U61 U62
4
Generalizing Viviani’s theorem. (Verallgemeinerung des Satzes von Viviani.) (German)
Mathematikinformation 63, 3-10 (2015).
Classification: G40 E50
5
An interesting geometric proof of Viviani’s theorem. (English)
Math. Comput. Educ. 49, No. 3, 166 (2015).
Classification: G40 G50 E50
6
Polyiamonds. (English)
Consortium 108, 3-9 (2015).
Classification: K30 K20
7
A characterization of the equilateral triangles and some consequences. (English)
Math. Intell. 36, No. 2, 1-2 (2014).
Classification: G60 Reviewer: Wolfgang Globke (Adelaide)
8
A proof in colour. (Ein farbiger Beweis.) (German)
Monoid 34, No. 118, 3-4 (2014).
Classification: G40 E50
9
Mathematics in person: Wacław Sierpiński. A triangle in the triangle in the triangle ‒ order in chaos. (Mathematik in Person: Wacław Sierpiński. Ein Dreieck im Dreieck im Dreieck ‒ Ordnung im Chaos.) (German)
Math. Differ. 5, No. 1, 48 (2014).
Classification: I90 N22 A30 F60 Reviewer: Peter Dürr (Linkenheim)
10
Counting hexagons in a triangle of triangles. (English)
Math. Sch. (Leicester) 43, No. 2, 19-21 (2014).
Classification: F60 H20 I30 Reviewer: Peter Dürr (Linkenheim)
11
The diver problem: the surfer problem in 3D. (English)
Math. Teach. (Reston) 106, No. 9, 710-714 (2013).
Classification: G40 G70
12
Counterexamples for cevian triangles. (English)
Math. Compet. 26, No. 2, 21-33 (2013).
Classification: G40 G70 E50
13
A partition problem. (Un problema di partizione.) (Italian)
Archimede 65, No. 3, 129-136 (2013).
Classification: G40
14
Intersecting equilateral triangles. (English)
Forum Geom. 13, 219-225 (2013).
Classification: G45
15
Using ideas from physics to solve mathematical problems. (Mit physikalischen Ideen mathematische Probleme lösen.) (German)
Wurzel 47, No. 8, 180-183 (2013).
Classification: G40 M50
16
Paper folding, rope tightening, golden ratio, and dog curve. (Papierfalten, Seilspannen, Goldener Schnitt und Hundekurve.) (German)
Mathematikinformation, No. 58, 3-8 (2013).
Classification: I60 G70 I90
17
The somewhat different school project. (Das etwas andere Schulprojekt.) (German)
IBDG, Inf.bl. Geom. 31, No. 1, 11-12 (2012).
Classification: I90 G90 U60
18
What is ‘random’? (Wat is ‘willekeurig’?) (Dutch)
Uitwiskeling 28, No. 3, 8-12 (2012).
Classification: K50 G40
19
Semicircumference: the formulas of Heron and Brahmagupta. (Demi-périmètre, formules de Héron et Brahmagupta.) (French)
Losanges, No. 16, 59-62 (2012).
Classification: G60
20
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Result 1 to 20 of 39 total

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