Recent additions (Page 20), Online Learning

Geometry Problems, Online Education

Go Geometry from the Land of the Incas - Recent Additions (Page 20)

Geometry Problem 81-90

Quadrilateral, Parallel

Problem 566.
Quadrilateral, Diagonals, Parallel.

Gericault: The Raft of the Medusa

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

Jan van Eyck: The Madonna of Chancellor Rolin

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

Death and the Maiden (1517)  by Hans Baldung Grien

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

Triangle, Circle, Congruence, Concyclic points

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

Great Paintings - Index

Great Paintings - Index

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.

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