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Recent Additions (Page 40 of 80)




Isolines illustration:
Statue of Liberty,
Geometric Art.


Euclid's Elements Book I Word Cloud.


Word Cloud or Tag Cloud Index
Weighted list in visual design


Geometric Art: Kaleidoscope of Machu Picchu.
iPad Apps.


Artwork of Geometry Problem 27, Triangle and Circles,
Delaunay Triangulation, Circular Random Composition.
iPad Apps.


Trigonometry Word Cloud.


Proposed Problem 361.
Right triangle, Incircle, Incenter, Tangency points, Angle. 

Master Degrees Word Cloud.


Proposed Problem 360.
Area of a triangle, Curvilinear triangles, Circles, Diameters. 

Proposed Problem 359.
Cyclic quadrilateral, Angle bisector, Rhombus. 

Proposed Problem 358.
Isosceles triangle 808020, Circle, Angles, Congruence. 

Mascheroni construction: Find the center of a circle with compass alone.


Proposed Problem 357.
Square, Exterior point, Triangles, Area. 

Proposed Problem 356.
Square, Point inside, Triangles, Area. 

Algebra Index.
Interactive Mind Map
Algebra History
Algebra Classification
Elementary Algebra 

Proposed Problem 355.
Circles, Common external tangent, Concyclic points. 

Machu Picchu Window 6.


Proposed Problem 354.
Rhombus, Square, 45 degrees. 

Machu Picchu Window 4.


Proposed Problem 353.
Tangential quadrilateral, Diagonals, Incircles, Inradii. 

Machu Picchu Window 3.


Proposed Problem 352.
Tangential quadrilateral, Incircles, Common tangent, Circumscribable or
Tangential quadrilateral. 

Proposed Problem 351.
Rhombus, Incircles, Common tangent, Circumscribable or Tangential
quadrilateral. 

Fields of Mathematics, Interactive Mind Map.
Mathematics can be subdivided into the study of quantity,
structure, space, and change.


Proposed Problem 350.
Triangle, Cevian, Incircles, Tangents, Tangency Point, Angles. 

Trigonometry. Interactive Mind Map.


Proposed Problem 349.
Triangle, Cevian, Incircles, Tangents, Tangency Point. 

Square Index.
Theorems and Problems. 

Proposed Problem 348.
Circles, Common External Tangents, Common Internal Tangent. 

Proposed Problem 347.
Triangle, Altitude, Perpendicular, Circle, Concyclic points. 

Tangent Circles Index


Proposed Problem 346.
Equal circles, Tangents, Hexagon, Semiperimeter. 

Proposed Problem 345.
Equal circles, Tangents, Concurrent lines, Hexagon, Semiperimeter. 
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