Add to ORKGEducação Superior::Ciências Exatas e da Terra::MatemáticaEnsino Médio::MatemáticaDraw a ring of ten pentagons. Place other pentagons inside or outside the ring, decreasing or increasing their size in proportion to the golden rati
Triangles placed on a series of polygons can be arranged in circles or spirals, often resulting in v...
Circle length and ratioFollow the path of a point on a circle rolling around another circleComponent...
The regular pentagon had a symbolic meaning in the Pythagorean and Platonic philosophies and a subse...
Place five circles of diameter d symmetrically about a given point. They intersect the unit circle ...
This Demonstration draws an approximation to a golden spiral using a golden rectangleComponente Curr...
Knowledge about polygonsThis Demonstration shows a pentagon constructed using a straight edge and co...
noneWith a ruler and compass, an eye is easy to construct, leading to a regular pentagon constructio...
summary:In the paper, several constructions of a regular pentagon are presented. They are based prim...
Starting from the fifteenth century, the diagram of many fortresses has a pentagonal shape. Among th...
Ensino Médio::MatemáticaEsta demonstração mostra que você pode calcular a área de um pentágono ou qu...
In the previous article (At Right Angles, Issue 4, July 2019, pages 5-9 ) we saw how we could const...
Knowledge about curves, plane geometry, polygons and visual patternsPolygons are drawn so that their...
Educação Superior::Ciências Exatas e da Terra::MatemáticaEnsino Médio::MatemáticaThree golden rectan...
In this paper we will consider a regular pentagon and discuss three of its properties, which are lin...
Many interesting spirals can be drawn by constructing a sequence of points in polar coordinates of t...
Triangles placed on a series of polygons can be arranged in circles or spirals, often resulting in v...
Circle length and ratioFollow the path of a point on a circle rolling around another circleComponent...
The regular pentagon had a symbolic meaning in the Pythagorean and Platonic philosophies and a subse...
Place five circles of diameter d symmetrically about a given point. They intersect the unit circle ...
This Demonstration draws an approximation to a golden spiral using a golden rectangleComponente Curr...
Knowledge about polygonsThis Demonstration shows a pentagon constructed using a straight edge and co...
noneWith a ruler and compass, an eye is easy to construct, leading to a regular pentagon constructio...
summary:In the paper, several constructions of a regular pentagon are presented. They are based prim...
Starting from the fifteenth century, the diagram of many fortresses has a pentagonal shape. Among th...
Ensino Médio::MatemáticaEsta demonstração mostra que você pode calcular a área de um pentágono ou qu...
In the previous article (At Right Angles, Issue 4, July 2019, pages 5-9 ) we saw how we could const...
Knowledge about curves, plane geometry, polygons and visual patternsPolygons are drawn so that their...
Educação Superior::Ciências Exatas e da Terra::MatemáticaEnsino Médio::MatemáticaThree golden rectan...
In this paper we will consider a regular pentagon and discuss three of its properties, which are lin...
Many interesting spirals can be drawn by constructing a sequence of points in polar coordinates of t...
Triangles placed on a series of polygons can be arranged in circles or spirals, often resulting in v...
Circle length and ratioFollow the path of a point on a circle rolling around another circleComponent...
The regular pentagon had a symbolic meaning in the Pythagorean and Platonic philosophies and a subse...