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Recent Additions (Page 15 of 80)




NinePoint Center, NinePoint Circle, Euler Line.
Interactive illustration.
Circumcenter, Centroid, Orthocenter
HTML5 Animation for iPad and Nexus


Lemoine Line Theorem,
Interactive illustration.
HTML5 Animation for iPad and Nexus 

Geometry Art Problems for Desktops, Highend mobile devices and Tablets (iPad,
Nexus)
Visual Index. 

Platonic
Solids, Interactive animation.
HTML5 Animation for iPad and Nexus 

Geometry Problem 857
Triangle, Median, Midpoint, Angles, 30, 45 Degrees, Congruence, Auxiliary Lines. 

Geometry Problem 856
Quadrilateral, Diagonals, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines. 

Butterfly theorem proof
HTML5 Animation for iPad and Nexus. 

Geometry Problem 855
Quadrilateral, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines. 

Johnson's Theorem,
Intersecting circles.
HTML5 Animation 

Geometry Problem 854
Triangle, Parallel lines, Parallelogram, Areas, Similarity, Concurrent lines. 

Geometry Problem 853
Online Geometry Problem 853: Square, Arc, Quadrant, Triangle, Perpendicular, Metric Relations. 

Geometry Problem 852
Online Geometry Problem 852: Triangle, Incircle, Inradius, Tangent, Metric Relations. 

Geometry Problem 851
Triangle, Triple side, Angles, 90 Degrees, Special Right triangle, Sides ratio 1:3. 

Geometry Problem 850
Triangle, Double side, Angles, 90 Degrees. Special Right triangle. 

Geometry Problem 849
Special Right triangle, Catheti or legs ratio 1:3, 18.5 Degrees. Double angle. 

Academic Disciplines Mind Maps  Index. 

Geometry Problem 848
Special Right triangle, Catheti or legs ratio 1:2, 26.5 Degrees. Double angle. 

Geometry Problem 847
van Lamoen Circle, Triangle, Medians, Centroid, Six Circumcenters, Concyclic Points. 

Geometry
Word Cloud and News


Geometry Problem 846
Triangle, Medians, Centroid, Four Circumcenters, Concyclic Points,
Cyclic Quadrilateral, Similarity. 

Nexus 7 Guidebook for
Android mobile technology platform 4.2 by Google Mind map
and News. 

Geometry Designer for iPad, iPhone, iPod
 Index
Dynamic Geometry.


Pi Mind Map
with the first 100 decimals digits. Made with TypeDrawing and Wikiweb
for iPad.


iPad Apps, Geometry
Designer Illustration. Circle of van Lamoen.
Interactive Geometry Software for iPad, iPhone, iPod. 

Nexus 7 Apps 
Index


iPad Apps: Geometry Designer Illustration. Four Circles Theorem.
Interactive Geometry Software for iPad, iPhone, iPod. 

Geometry Problem 845
Triangle, Medians, Centroid, Four Circumcenters,
Perpendicular, Congruence, Similarity. 

Geometry Problem 844
Triangle, Medians, Centroid, Four Circumcenters,
Perpendicular, Congruence, Similarity. 

Geometry Problem 843
Triangle, Medians, Centroid, Four Circumcenters,
Perpendicular, Parallel, Congruence, Similarity. 

Geometry Problem 842
Triangle, Medians, Centroid, Four Circumcenters,
Perpendicular, Congruence, Similarity. 

Geometry Problem 841
Triangle, Medians, Centroid, Circumcenters, Perpendicular, Congruence,
Similarity. 

Geometry
Problem 840
Parallelogram, Perpendicular, Diagonal, Metric Relations, Similarity. 

Geometry
Problem 839
Problem 839: Parallelogram, Perpendicular, Diagonal, Metric Relations. 

Geometry Problem 838
Parallelogram, Perpendicular, Diagonal, Metric Relations. 

Geometry
Problem 837
Triangle, Orthocenter, Circumcenter, Circle, Concyclic Points. 

Geometry Problem 836
Parallelogram, Perpendicular, Diagonal, Similarity, Metric Relations. 

Geometry Problem 835
Isosceles Triangle, Double Angle, Triple Angle, Auxiliary Lines. 

Prezi: Presentation Software for Windows, Mac, iPad,
iPhone  Index


Geometry Problem 834
Parallelogram, Diagonal, Similarity, Geometric Mean, Mean Proportional. 

Geometry
Problem 833
Parallelogram, Diagonal, Similarity, Proportion. 

iPad Apps: Apollonius Software. Feuerbach Point. Triangle, Incircle,
Nine point circle, Tangent circles, Orthocenter, Midpoint.
Interactive Geometry Software. 

Geometry Problem 832
Quadrilateral, Isosceles triangle, 707040 degrees, Congruence,
Auxiliary lines, Equilateral triangle. 

Geometry
Problem 831
Quadrilateral, Diagonal, Midpoint, Opposite Angles, Congruence,
Parallelogram. 

van Lamoen Circle  Index. 

Geometry
Problem 830
Quadrilateral, Triangle, Angles, 30 degrees, Congruence. 

Geometry Problem 829
Triangle, Circumcircle, Parallel, Chord, Side, Metric Relations. 

Geometry Problem 828
Quadrilateral, Midpoint, Opposite sides, Diagonals, Concurrent lines,
Triangle, Bimedian. 

Mean in Geometry.
Index. 

Geometry Problem 827: Brianchon Corollary
Circumscribed Hexagon, Tangency Points, Diagonal, Opposite Sides,
Concurrent lines. 

Geoboard
for iPad Pythagorean Theorem Proof by Leonardo. 

Decagon. Theorems and Problems 

Prezi, User
Manual Guide  Interactive Mind map


Geometry Problem 826: Brianchon's Theorem
Circumscribed Hexagon, Concurrent Diagonals. 

Geometry Problem 825.
Circle, Semicircle, Arc, Chord, Midpoint, Sector, Triangle, Area. 

iPad Apps: Spangled!.
Regular Decagon Art. 

iPad Apps: Prism HD Index.
Exploration of real light shining through glass prisms. 

Geometry Problem 824
Desargues' Theorem, Triangles in Perspective. 

Optical Prism with
Regular Polygonal Form.
Scene created using Prism HD for iPad. 

Optical Prism with
Regular Hexagonal Form.
Scene created using Prism HD for iPad. 

Geometry Problem 823.
Tangent Circles, Diameter, Perpendicular, Chord, Secant, Triangle, Area, Tangency Point. 



Circle Area.
Index.
Theorems and Problems.


Leonardo da Vinci
and Geometry  Index 

Leonardo da Vinci:
Mona Lisa', c. 15031519, and Golden Rectangles. 

El Greco  Index.


Geometry Problem 822.
Circle, Semicircle, Arc, Chord, Midpoint, Sector, Triangle, Area. 

Geometry Problem 821.
Adams Circle. 

Optical Prism with
Regular Pentagonal Form.
Scene created using Prism HD for iPad. 

Optical Prism with Square Form.
Scene created using Prism HD for iPad. 

Optical Prism with Equilateral Triangle Form.
Scene created using Prism HD for iPad. 

Geometry Problem 820.
Triangle, Cevian, Angles, 30 Degrees. 

Geometry Problem 819.
Quadrilateral, Triangle, Angles, 30 degrees. 

Geometry Problem 818.
Square, Triangle, Angle. 

Leonardo da Vinci: 'The Head of a Woman', c. 1508, and Golden Rectangles. 

Geometry Problem 817. Two
circles, Tangent Lines, Circumscribed Quadrilaterals. 

Symbaloo: GoGeometry. Online Free Visual
Social Bookmark Organizer that lets
us create and share multiple tabs for organizing all of our web links. 

Geometry Problem 816. Tangential or Circumscribed Quadrilateral: Pitot Theorem. 

Geometry Problem
815.
Triangle, Incircle, Semicircles, Arbelos, Area. 

Geometry Art 801 
810.
Butterfly theorem, Circle, Chord, Midpoint, Similarity, Cyclic quadrilateral, Congruence. 

Poly for iPad.
Polygonal Art, Delaunay Triangulation. 

Geometry Problem
814.
Two Equilateral Triangles with a common Vertex, Angle. 

Geometry Problem
813.
Right Triangle Area, Excircles, Cathetus, Tangency Points, Quadrilateral Area. 

Geometry Problems
801  810.
Triangle, Equilateral, Right, Scalene, Butterfly, Parallelogram, Circle. 

Meanings and syntactic of
English words and Geometry, Mind Mapping.
Created using Wordflex Touch Dictionary for iPad in association with Oxford University Press. 

Geometry Types, Methodologies, Terminologies
Interactive Mind Map and News.


Geometry Problem
812.
Four Tangent Circles, Common Tangent Line, Diameter, Area, Collinear Centers. 

Geometry Problem
811: Trisecting a line segment.
With four circles and one line. 

Geometry Problem
810: Trisecting a line segment.
With two circles and eight lines. 

iPad Apps: iOrnament by sciencetotouch.
The Art of Symmetry according to the rules of the 17 crystallographic wallpaper groups. 

Nazca Lines: The Spider. iPad Apps: iOrnament.


Geometry Problem
809: Trisecting a line segment.
With three circles and four lines. 

iPad Apps: Poly by Innoiz Inc, Delaunay Triangulation, Interactive Mind Map.


Pythagoras and Delaunay Triangulation Art, iPad Apps: Poly.
Polygonal Art Illustration. 

Machu Picchu and Delaunay Triangulation Art, iPad Apps: Poly.
Polygonal Art Illustration. 

Geometry Problem 808
Parallelogram, Perpendicular, Right Triangle, Semicircle Area, Diameter. 

Nazca Lines: The Monkey. iPad Apps: iOrnament.
The Art of Symmetry according to the rules of the 17 crystallographic wallpaper groups. 

iPad Apps: Solids Elementary HD,
Unfolded Regular Dodecahedron. 

Geometry Problem 807
Right Triangle Area, Incircle, Tangency Points, Semicircle Area. 

Geometry Problem 806
Triangle, Points on sides, Circumcenter, Similarity. 

Diameters and Chords,
Theorems and Problems.
Index.


Geometry Problem 805, Stewart Theorem
Triangle, sides and a cevian.


iPad Apps: Apollonius Software. Problem 794: Right Triangle, Altitude, Three Incenters, Circumcircles, Incircle, Congruence.
Interactive Geometry Software. 

Geometry Problems
791  800.
Triangle, Regular Hexagon, Equilateral, Circle, Parallelogram, Pyramid, Cubic Vertex, Angle, Area, Altitude, Incircle, Circumcircle, Radius. 

Billiards and Geometry 
Index


Top
Stadiums in the World by Capacity. 

Geometry Problem 804: Butterfly Theorem Proof
Step by step illustration


iPad Apps: Apollonius, Interactive Geometry Software IGS Index.
Theorems and Problems with Apollonius for iPad. 

Meanings and syntactic of 'GEOMETRY'.
Created using Wordflex Touch Dictionary for iPad in association with Oxford University Press. 

Meanings and syntactic of 'POINT'.
Created using Wordflex Touch Dictionary for iPad in association with Oxford University Press. 

Meanings and syntactic of 'LINE'.
Created using Wordflex Touch Dictionary for iPad in association with Oxford University Press. 

Meanings and syntactic of 'ANGLE'.
Created using Wordflex Touch Dictionary for iPad in association with Oxford University Press. 

Meanings and syntactic of 'PARALLEL'.
Created using Wordflex Touch Dictionary for iPad in association with Oxford University Press. 

Meanings and syntactic of 'PERPENDICULAR'.
Created using Wordflex Touch Dictionary for iPad in association with Oxford University Press. 

Meanings and syntactic of 'TRIANGLE'.
Created using Wordflex Touch Dictionary for iPad in association with Oxford University Press. 

iPad Apps: Solids Elementary HD by SynergyIT Index.
Solid Geometry. 

Geometry Problem
803
Right Triangle, Altitude, Angle Bisector, Perpendicular, Measurement. 

iPad Apps: Solids Elementary HD,
Regular Dodecahedron. 

Geometry in the Real World,
Columbus, Ohio  Slideshow. 
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