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Online Geometry - Recent Additions
(Page 1 of 50)
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Geometry Problem 890
Two Squares inscribed in Circles, Concurrent Lines. GeoGebra, HTML5 Animation for Tablets. |
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Geometry Problem 889
Carnot's Theorem in an acute triangle, Circumcenter, Circumradius, Inradius. GeoGebra, HTML5 Animation for Tablets. |
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Geometry Art 871 -
880.
Congruent Circles, Intersecting Circles, Secant, Center, Angle Trisection, Triple Angle. |
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Geometry Problem 888
Butterfly Theorem, Circle, Chord, Midpoint. GeoGebra, HTML5 Animation for Tablets. |
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Victor Vasarely:
Bi Rhombs and Golden Rectangles
HTML5 Animation for Tablets (iPad, Nexus)
Geometric abstraction, Op Art. |
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Geometry Problem 887
Triangle, Altitude, Angle Bisector, Perpendicular, Midpoint, Concyclic Points. GeoGebra, HTML5 Animation for Tablets. |
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Sacred and Profane Love
by Titian and Golden Rectangles, Droste Effect
HTML5 Animation for Tablets, iPad and Nexus. |
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Geometry Problem 886
Right Triangle, Incenter, Angle Bisector, Perpendicular, 45 Degrees, Concyclic Points, Isosceles Right Triangle. GeoGebra, HTML5 Animation for Tablets (iPad, Nexus). |
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Bingham Canyon Mine: Dump trucks loading into the crusher - Video.
Educational video and news. |
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Geometry Problems
871 - 880.
Triangle, Circle, Parallelogram, Trapezoid, Congruence, Similarity, Metric Relations, Incircle, Rectangle, Square |
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Assumption of the Virgin
by Titian and Golden Rectangles, Droste Effect
HTML5 Animation for Tablets, iPad and Nexus. |
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Geometry Problem 885
Intersecting Circles, Three Tangent Lines, Midpoint. |
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Bingham Canyon Mine: Dump trucks hauling copper.
Educational video and news. |
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Geometry Problem 884: The Pythagorean Curiosity
Right
Triangles and squares, fifteen conclusions. |
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Titian or Tiziano
- Index |
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Geometry Problem 883
Five Circumscribed Quadrilaterals, Circle, Tangent, Common Tangent. |
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Plane Geometry Game: Cloudy.
Determine path of flight. |
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Geometry Problem 882
Triangle, Angle x, 2x, 7x, Cevian, Congruence, Auxiliary Lines. |
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Bacchus and Ariadne
by Titian and Golden Rectangles, Droste Effect
HTML5 Animation for Tablets, iPad and Nexus. |
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Geometry Problem 881
Triangle, three Squares, Centers, Areas. |
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Geometry Problem 880
Triangle, Midpoints, Sides, Perpendiculars, Hexagon, Area. |
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Geometry Problem 879
Square, Midpoint, Diagonal, Ratio 3:1, Angle Measure. |
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Geometry Problem 878
Square, Inscribed Circle, Quadrant, Center, Perpendicular, Metric Relations. |
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Geometry Problem 877
Square, Right Triangle, Similarity, Metric Relations, Transversal. |
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HTML5
Common Infrastructure by W3C.
InteractiveMind Map. |
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Geometry Problem 876
Equilateral Triangle, any Point, Perpendicular, Right Triangle Area, Sum of Areas. |
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Geometry and Light at at Hoxton Gallery, The Arch, London, Kaleidoscope, HTML5 Animation. |
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Geometry Problem 875
Congruent Circles, Intersecting Circles, Secant, Center, Angle Trisection, Triple Angle. |
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Lost in the Geometry of California’s Farms, Kaleidoscope, HTML5 Animation. |
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Geometry Problem 874
Isosceles Triangle, Circumcircle, Circumcenter, Congruence. |
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iPad Apps: Springle by Bolasol Inc. Geometric Art: Squares and Pentagons |
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Geometry Problem 873
Quadrilateral, Diagonal, Triangle, Angle Bisector, Congruence. |
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Geometry Problems
851 - 860.
Triangle, Circle, Square, Area, Parallel, Metric Relations, 30 Degrees, Congruence, Parallelogram |
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Victor Vasarely:
Ond-Fire (1978) and Golden Rectangles
HTML5 Animation for Tablets (iPad, Nexus)
Geometric abstraction, Op Art. |
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HTML5 Overview by W3C.
InteractiveMind Map.
HTML5 is currently under development, as the next major revision of the HTML standard |
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Geometry Problems
861 - 870.
Triangle, Circle, Parallelogram, Trapezoid, Congruence, Similarity, Metric Relations, Incircle, Rectangle, Square |
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Flora (1515)
by Titian and Golden Rectangles, Droste Effect
HTML5 Animation for Tablets, iPad and Nexus. |
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Geometry Art 851 -
860.
Square, Semicircle, Quadrant, Arc, Perpendicular, Metric Relations |
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Salome (1515)
by Titian and Golden Rectangles, Droste Effect
HTML5 Animation for Tablets, iPad and Nexus. |
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Geometry Art 861 -
870.
Cyclic Quadrilateral, Triangle, Circle, Rectangle, Square, Center, 90 Degrees, Midpoint, Congruence |
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Santorini, Greece and the Golden Rectangle
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Geometry Problem 872
Quadrilateral, Triangle, Angle, 30, 90 degrees. |
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Thomas Cole: The Titan's Goblet, 1833 and the Golden Rectangle.
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GeoGebra,
Dynamic Geometry, Euclidean Egg with 8 Arcs in 5 Steps, Step-by-Step Construction
HTML5 Animation for Tablets (iPad, Nexus) |
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Paul Klee:
Heroic Roses and Golden Rectangles,
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GeoGebra,
Dynamic Geometry, Euclidean Egg, Step-by-Step Construction
HTML5 Animation for Tablets (iPad, Nexus) |
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Thomas Cole: Portage Falls on the Genesee
(1839) and the Golden Rectangle.
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Geometry in the Real World,
Santorini, Greece - Slideshow. |
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Paul Klee: Red Balloon and Golden Rectangles,
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Cyclic Quadrilateral with Perpendicular Diagonals.
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Geometry Problem 871
Brahmagupta's Theorem, Cyclic Quadrilateral, Perpendicular Diagonals, Midpoint. |
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White House Front, Washington D.C. and Golden Rectangles, Droste Effect
HTML5 Animation for Tablets, iPad and Nexus. |
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Geometry Problem 870
Triangle, Median, Three Squares, Centers, Vertices, Collinear Points, Midpoint. |
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René Magritte: Not to be Reproduced and Golden Rectangles.
HTML5 Animation for iPad and Nexus. |
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Geometry Problem 869
Triangle, Median, Three Equilateral Triangles, Collinear Points, Midpoint. |
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The Taj Mahal and Golden Rectangles, Droste Effect, Fibonacci Spiral.
HTML5 Animation for Tablets, iPad and Nexus. |
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White House Front
2, Washington D.C. and Golden Rectangles, Droste Effect
HTML5 Animation for Tablets, iPad and Nexus. |
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René Magritte:
The False Mirror and Golden Rectangles.
HTML5 Animation for iPad and Nexus. |
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GeoGebra, Dynamic Geometry:
Internal Feuerbach Point
HTML5 Animation for Tablets (iPad, Nexus..) |
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Pierre Auguste Renoir - Index |
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Geometry Problem 868
Cyclic Quadrilateral, Circle, Five Rectangles, Four Centers, Congruence. |
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Solly Madonna by Raphael and Golden Rectangles.
HTML5 Animation for iPad and Nexus. |
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Geometry Problem 867
Isosceles Triangle, Median, Perpendicular, Angle, Congruence. |
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Renoir: La loge (The Theater Box) 1874 and Golden Rectangles, Droste Effect
HTML5 Animation for Tablets, iPad and Nexus. |
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Geometry Problem 866
Cyclic Quadrilateral, Circle, Rectangle, Center, Congruence, 90 Degrees. |
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Renoir: Self Portrait, 1875
and Golden Rectangles. Droste Effect.
HTML5 Animation for Tablets, iPad and Nexus. |
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Geometry Problem 865
Parallelogram, Diagonal, Midpoint, Side, Triangle, Parallel, Similarity. |
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Geometry in the Real World,
Chucuito, Callao - Slideshow. |
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Geometry Problem 864
Parallelogram, Diagonal, Congruence, Similarity, Metric Relations. |
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Renoir:
Lise Sewing, 1866
and Golden Rectangles. Droste Effect.
HTML5 Animation for Tablets, Pad and Nexus. |
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GeoGebra, Dynamic Geometry:
Nine Point Circle
HTML5 Animation for Tablets (iPad, Nexus..) |
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Geometry Problem 863
Circumscribed trapezoid, Inscribed Circle, Tangent, Metric Relations. |
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GeoGebra, Dynamic Geometry:
Lemoine Line
of a Triangle.
HTML5 Animation for Tablets (iPad, Nexus..) |
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GeoGebra, Dynamic Geometry:
Simson Line
of a Triangle.
HTML5 Animation for Tablets (iPad, Nexus..) |
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Geometry Problem 862:
Trapezoid, Parallel, Equal Areas, RMS, Root Mean Square
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GeoGebra, Dynamic Geometry:
Euler Line
of a Triangle.
HTML5 Animation for Tablets (iPad, Nexus..) |
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GeoGebra, Dynamic Geometry:
Orthocenter
of a Triangle.
HTML5 Animation for Tablets (iPad, Nexus..) |
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GeoGebra, Dynamic Geometry: Circumcenter and Circumcircle
of a Triangle.
HTML5 Animation for Tablets (iPad, Nexus..) |
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GeoGebra Constructions Index
HTML5 Animation for Tablets (iPad, Nexus..) |
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GeoGebra, Dynamic Geometry:
Centroid
of a Triangle.
HTML5 Animation for Tablets (iPad, Nexus..) |
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GeoGebra, Dynamic Geometry: Incenter and Incircle
of a Triangle.
HTML5 Animation for Tablets (iPad, Nexus..) |
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Lady Hamilton as Circe by George Romney, 1782 and Golden Rectangles.
HTML5 Animation for iPad and Nexus. |
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Root
Mean Square (RMS) in Geometry Index
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Geometry Problem 861
Triangle, Incircle, Parallel, Tangent, Metric Relations. |
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Geometry Art Problems for Desktops, High-end mobile devices and Tablets (iPad,
Nexus)
Visual Index. |
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Geometry Problem 860
Triangle, Three Medians, Parallel, Parallelogram, Area, Congruence. |
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Geometry Problem 859
Isosceles Right Triangle, Angles,18, 45 Degrees, Congruence, Perpendicular bisector. |
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Gergonne Point Theorem. Concurrency.
Interactive proof with animation.
HTML5 Animation for Tablets (iPad, Nexus) |
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Euler's Formula / Euler's Equation or Identity.
HTML5 Animation for iPad and Nexus |
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Black and Violet (1923) by Wassily Kandinsky and the Golden Rectangle.
HTML5 Animation for iPad and Nexus |
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Nine-Point Center, Nine-Point Circle, Euler Line.
Interactive illustration.
Circumcenter, Centroid, Orthocenter
HTML5 Animation for iPad and Nexus
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Lemoine Line Theorem,
Interactive illustration.
HTML5 Animation for iPad and Nexus |
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Irises,
Vincent van Gogh, 1889. List of
most expensive paintings: $53.9 million.
HTML5 Animation for iPad and Nexus |
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Yellow, Red, Blue (1925) by Wassily Kandinsky and the Golden Rectangle.
HTML5 Animation for iPad and Nexus |
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Geometry Problem 858
Isosceles Right Triangle, Cevian, Ratio 2:1, 45 Degrees, Congruence, Angles, Auxiliary Lines. |
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Nazca Lines Trapezoids, HTML5 Animation for iPad and Nexus.
HTML5 Animation for iPad and Nexus |
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Geometry Problem 857
Triangle, Median, Midpoint, Angles, 30, 45 Degrees, Congruence, Auxiliary Lines. |
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Kaleidoscope based on Symmetry drawing E69
by M. C. Escher.
HTML5 animation for iPad and Nexus
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Geometry Problem 856
Quadrilateral, Diagonals, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines. |
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M.C. Escher's Symmetry E70; Butterflies and Golden Rectangles,
Droste Effect.
HTML5 Animation for iPad and Nexus |
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Butterfly theorem proof
HTML5 Animation for iPad and Nexus. |
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Machu Picchu,
the Intihuatana stone and Golden Rectangles.
HTML5 Animation for iPad and Nexus |
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Geometry Problem 855
Quadrilateral, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines. |
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Geometry Problem 854
Triangle, Parallel lines, Parallelogram, Areas, Similarity, Concurrent lines. |
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Platonic
Solids, Interactive animation.
HTML5 Animation for iPad and Nexus |
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Johnson's Theorem,
Intersecting circles.
HTML5 Animation |
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Victor Vasarely: Vega Nor, 1969 and
Kaleidoscope
HTML5 Animation
Geometric abstraction, Op Art. |
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Geometry Problem 853
Online Geometry Problem 853: Square, Arc, Quadrant, Triangle, Perpendicular, Metric Relations. |
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Self Portrait, 1907 by Pablo Picasso
HTML5 Animation
Throughout his long career Pablo Picasso often used self-portraits to depict
himself in the many different guises, disguises and incarnations of his
autobiographical artistic persona. |
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Geometry Problem 852
Online Geometry Problem 852: Triangle, Incircle, Inradius, Tangent, Metric Relations. |
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Geometry Problem 851
Triangle, Triple side, Angles, 90 Degrees, Special Right triangle, Sides ratio 1:3. |
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Geometry Problem 850
Triangle, Double side, Angles, 90 Degrees. Special Right triangle. |
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Geometry Problem 849
Special Right triangle, Catheti or legs ratio 1:3, 18.5 Degrees. Double angle. |
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The Fate of the Animals, 1913 by Franz Marc.
HTML5 Animation |
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Geometry Problem 848
Special Right triangle, Catheti or legs ratio 1:2, 26.5 Degrees. Double angle. |
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Foxes, 1913 by Franz Marc.
HTML5 Animation |
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Nexus 7 Guidebook for Android mobile technology platform 4.2 by Google
Mind map and News. |
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Crucifixion, Corpus Hypercubus (1954) by Salvador Dali.
HTML5 Animation for iPad, Nexus
Flash animation
It was painted in 1954 by Salvador
Dali, and depicts the crucified Jesus upon the net of a hypercube. |
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Geometry Designer
for iPad, iPhone, iPod - Index
Dynamic Geometry.
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Christopher Derek Bruno: Textured Geometric Artworks and Golden Rectangles. |
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Geometry Problem 847
van Lamoen Circle, Triangle, Medians, Centroid, Six Circumcenters, Concyclic Points. |
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Nexus 7 Apps - Index
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John Singer Sargent: "Jaques Barenton, 1883" and Golden Rectangles.
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iPad Apps: Apollonius Software. Feuerbach Point. Triangle, Incircle, Nine point circle, Tangent circles, Orthocenter, Midpoint.
Interactive Geometry Software. |
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Pi Mind Map with the first 100 decimals digits. Made with TypeDrawing and Wikiweb for iPad.
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iPad Apps, Geometry Designer Illustration. Circle of van Lamoen.
Interactive Geometry Software for iPad, iPhone, iPod. |
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