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Welcome to GoGeometry: Recent additions 2
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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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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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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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Geometry Problem 856
Quadrilateral, Diagonals, Triangle, Angles, 30 degrees, Congruence, Auxiliary lines. |
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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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Geometry Problem 853
Online Geometry Problem 853: Square, Arc, Quadrant, Triangle, Perpendicular, Metric Relations. |
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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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