Recent additions (Page 19), Online Learning

Geometry Problems, Online Education

Go Geometry from the Land of the Incas - Recent Additions (Page 19

Collinear Points Index

Cyclic quadrilateral, angle bisector, measurement

Problem 575.
Cyclic quadrilateral, Angle bisector, Measurement.

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.

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.

Online education: Geometry Problem 570, Collinearity

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

Quadrilateral, Excircles

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

Triangle, Excircles, Congruence

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

Geometry problems 561-570

Geometry Problems 561 - 570.
Right Triangle, Altitude, Angle Bisector, Congruence, Median, Area, Trisector, 60 Degrees, Equilateral, Parallel, Transversal, Circumcircle, Concyclic, Similarity.

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.

Geometry problem 567

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

The Birth of Venus by Sandro Botticelli

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

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