Geometry from the Land of the Incas 22/80

Geometry, Machu Picchu

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Recent Additions (Page 22 of 80)


Circle, Chord, Secante, Angle bisector

Problem 574.
Circle, Chord, Secant, Angle Bisector, Perpendicular.

Rembrandt: 'Portrait of a Man With Arms Akimbo'

Rembrandt: 'Portrait of a Man With Arms Akimbo' (1658) and Golden Rectangles.
It will be offered for sale at the TEFAF Maastricht art fair later this year for $47 million.

Cyclic quadrilateral, Angle bisector

Problem 573.
Cyclic quadrilateral, Angle bisector, Perpendicular.

Online Math: Geometry Problem 572, Right triangle and Circle

Problem 572.
Right triangle, Median, Circle, Diameter, Excircle, Tangent circles.

Online Math: Geometry Problem 571, Circle

Problem 571.
Circle, Diameter, Chord, Perpendicular, Measurement.

Online education: Geometry Problem 570, Collinearity

Problem 570.
Square, Center, Right Triangles, Congruence, Collinearity.

Quadrilateral, Excircles

Problem 569.
Quadrilateral, Excircles, Tangency Points, Congruence.

Triangulo isosceles, 30 grados

Problema 60 (Spanish-language version)
Triangulo isósceles, Ángulos, 30 Grados, Congruencia.

Triangulo rectangulo, Equilatero, Puntos medios

Problema 59 (Spanish-language version)
Triangulo rectángulo, Equilatero, Puntos medios.

Triangulo rectangulo, congruencia, Pitagoras

Problema 58 (Spanish-language version)
Triangulo rectángulo, Congruencia, Pitágoras.

Problema 57  Circulos tangentes, Cuadrilatero inscriptible

Problema 57 (Spanish-language version)
Circunferencias, Tangentes, Cuerda, Puntos de tangencia, Cuadrilátero inscriptible.

Triangle, Excircles, Congruence

Problem 568.
Triangle, Excircles, Tangency Point, Congruence.

Geometry problem 567

Problem 567.
Right triangle, Incircle, Excircle, Collinear tangency points.

Quadrilateral, Parallel

Problem 566.
Quadrilateral, Diagonals, Parallel.

Jan van Eyck: The Madonna of Chancellor Rolin

Jan van Eyck: The Madonna of Chancellor Rolin (c. 1435) and Golden Rectangles.

The Birth of Venus by Sandro Botticelli

Sandro Boticelli: The Birth of Venus (c. 1486) and Golden Rectangles.

Gericault: The Raft of the Medusa

Theodore Gericault: The Raft of the Medusa (1818-1819) and Golden Rectangles.

Geometry problems 551-560

Geometry Problems 551 - 560.
Right Triangle, Altitude, Angle Bisector, Congruence, Median, Area, Trisector, 60 Degrees, Equilateral, Parallel, Transversal, Circumcircle, Concyclic, Similarity.

Triangle, Circle, Congruence, Concyclic points

Problem 565.
Triangle, Isogonal lines, Angles, Congruence, Concyclic Points.

Great Paintings - Index

Great Paintings - Index

Death and the Maiden (1517)  by Hans Baldung Grien

Hans Baldung Grien: Death and the Maiden (1517).
Golden Rectangles

Complete quadrilateral, Circles

Problem 564.
Complete Quadrilateral, Incenter, Excenter, Concyclic Points, Incircle, Excircle.

Pentagon, Rectangle

Problem 563.
Regular Pentagon, Center, Rectangle, Diagonals, Angle.

Math Education: Triangle, Incenter

Problem 562.
Triangle, Cevian, Incenter, Perpendicular, Concyclic Points, Cyclic Quadrilateral.

Triangle, Cevian, Incenters, 90 Degrees

Problem 561.
Triangle, Cevian, Incenter, Incircle, Perpendicular, Tangent.

Triangle, Cevian, Incircles

Problem 560.
Triangle, Cevian, Incenter, Incircle, Perpendicular, Tangent.

Triangle, Incenter, 90 Degrees

Problem 559.
Triangle, Cevian, Incenters, Angle, 90 Degrees.

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