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Recent Additions (Page 38 of 80)




Proposed Problem 402.
Hexagon, Triangle, Centroid, Parallel, Congruence, Similarity. 

Concurrent lines.
Theorems and Problems Index. 

Proposed Problem 389.
Triangle, Parallel lines, Harmonic Mean. 

Proposed Problem 388.
Triangle, Angle bisector, Perpendicular, Parallel. 

Proposed Problem 387.
Triangle, Angle bisector, Perpendicular, Concyclic points. 

Proposed Problem 386.
Triangle, Angle bisector, Perpendicular, Parallel, Semiperimeter,
Congruence. 

Proposed Problem 385.
Triangle, Angle bisector, Perpendicular, Parallel, Semiperimeter. 

Proposed Problem 384.
Triangle, Angle bisector, Perpendicular, Parallel, Semiperimeter. 

Philosophy of Mind, Interactive Mind Map.


Proposed Problem 383.
Concave Quadrilateral, Angle Bisectors, Semidifference of Angles. 

Chord. Index.
A chord of a circle is the line segment joining two points on the
circle.


Mathematics Selections. 

Euclidean Geometry Selections
Random articles. 

Geometry  Math Selections
Random articles 

Algebraic Geometry Selections 

Projective Geometry Selections 

The
Quipus, Index.
The Quipus and The Royal Commentaries of the Inca, 1609,
Caral: Ancient Peru city reveals 5,000yearold 'writing',
The Quipus and Hiram Bingham,
The Quipucamayocs

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