

Transform Your Geometry Education with HTML5 and Dynamic Geometry: Learn in a Fun, Visual, and Interactive Way
HTML5 is a programming language that allows for the
creation of dynamic and interactive websites. Dynamic
Geometry, on the other hand, refers to the use of computer
software to create and manipulate geometric figures in real
time. By using HTML5, developers can create webbased
interactive geometry software that can be accessed from any
device with a web browser, including desktop computers,
laptops, tablets, and smartphones.
With HTML5, it is
possible to create interactive geometry applications that
allow users to manipulate geometric objects, change their
size and shape, and explore mathematical concepts in a
dynamic and engaging way. These applications can also
include visualization tools such as graphs and charts,
allowing users to see and understand mathematical
relationships and patterns.
Overall, HTML5 provides a
powerful platform for creating dynamic geometry applications
that can be used for educational purposes, as well as for
research and exploration in the field of mathematics.


Table of content. 

Langley's Problem: HTML5 animation' Adventitious angles. 20° isosceles triangle with animation. 

HTML5 and Dynamic Geometry. 

Dynamic Geometry 1481.
Five Tangential or Circumscribed Quadrilaterals, Pitot Theorem, Congruence, Stepbystep Illustration. GeoGebra,
iPad. 

Dynamic Geometry 1480.
Japanese Theorem for Cyclic Polygon, Sangaku, Triangulation, Nonintersecting Diagonals, Sum of Inradii, Invariant, Stepbystep Illustration. GeoGebra,
iPad. 

Dynamic Geometry 1479.
Triangle, Circumcircle, Angle Bisector,
Perpendicular Bisector, Chord, Concyclic Points, Parallel Lines,, Stepbystep Illustration. GeoGebra,
iPad. 

Dynamic Geometry 1478.
Cyclocevian, ReuschleTerquem Theorem, Concurrent Cevians, Triangle, Circumcircle, Secant line, Stepbystep Illustration. GeoGebra,
iPad. 

Dynamic Geometry 1477.
Miquel's Pentagram Theorem, Pentagon, Triangle, Circumcircles, Concyclic Points, Stepbystep Illustration. GeoGebra,
iPad. 

Dynamic Geometry 1476.
DrozFarny Line Theorem, Triangle, Orthocenter, Perpendicular, Collinear Midpoints, Stepbystep Illustration. GeoGebra,
iPad. 

Dynamic Geometry 1475.
Clifford Intersecting Circles Theorem, Stepbystep Illustration, GeoGebra, iPad. 

Dynamic Geometry 1474.
Butterfly Theorem, Circle, Chords, Midpoints, Stepbystep Illustration. 

Dynamic Geometry 1473.
Kosnita's Theorem, Triangle, Four Circumcenters, Concurrent Line, Stepbystep Illustration. 

Dynamic Geometry 1472.
Cyclic Quadrilateral, Perpendicular Diagonals, Rectangle, Stepbystep Illustration. 

Dynamic Geometry 1471.
Equilateral Triangle, Inside/Outside Point, Incenters, Tangency Points, Concurrent Lines, Stepbystep Illustration. 

Dynamic Geometry 1470.
Tangential Quadrilateral, Incircles, Tangent,
Parallel, Rhombus, Stepbystep Illustration. 

Dynamic Geometry 1469.
Triangle, Circumradius, Inradius, Midpoints, Arcs, Sum of Distances, Stepbystep Illustration. 

Dynamic Geometry 1468.
Steiner's Theorem, Triangle, Circumradius, Inradius, Sum of Exradii, Stepbystep Illustration. 

Geometry Problem 1466.
Tangential Quadrilateral, Newton Line, Incenter, Midpoint, Diagonal, Collinear Points.
Stepbystep Illustration using GeoGebra. 

Geometry Problem 1465.
Tangential Quadrilateral, Incenter, Inscribed Circle, Equal Sum of Areas.
Stepbystep Illustration using GeoGebra. 

Geometry Problem 1464.
Quadrilateral, Interior Point, Midpoint of Sides, Equal Sum of Areas.
Stepbystep Illustration using GeoGebra. 

Geometry Problem 1463.
Parallelogram, Interior Point, Opposite Triangles with Equal Sum of Areas.
Stepbystep Illustration using GeoGebra. 

Geometry Problem 1462.
NewtonLine, NewtonGauss Line, Complete Quadrilateral, Midpoints of Sides and Diagonals,
Collinear Points. 

Dynamic Geometry
1460.
NewtonGauss Line, Complete Quadrilateral, Midpoints of Diagonals,
Collinear Points, Stepbystep Illustration using GeoGebra. 

Geometry
Problem 1459.
Two Triangles, Orthocenter, Midpoint, Perpendicular, Stepbystep Illustration using GeoGebra. 

Geometry
Problem 1458.
Triangle, Incircles, Excircle, Area, Stepbystep Illustration using GeoGebra. 

Geometry
Problem 1457.
Altitudes, Circles, Similarity,
Product of the Inradii Lengths,
iPad. Stepbystep illustration using GeoGebra. 

Geometry
Problem 1456.
Altitudes, Orthic Triangle, Circumcircle, Parallel lines, Similarity, Area,
iPad. Stepbystep illustration using GeoGebra. 

Geometry
Problem 1455.
Nagel Point, Excircles, Incircle, Congruent Segments,
iPad. Stepbystep illustration using GeoGebra. 

Geometry
Problem 1454.
Intersecting Circles, Perpendicular Lines, Cyclic Quadrilateral, Collinear
Points,
iPad. Stepbystep illustration using GeoGebra. 

Dynamic Geometry 1452.
Japanese Theorem, Sangaku,
Cyclic Quadrilateral, Incenter, Rectangle, Inradius. Stepbystep
illustration using GeoGebra. 

Dynamic Geometry 1451.
Orthopole of a Line. Stepbystep
illustration using GeoGebra. 

Dynamic Geometry 1450.
Ortholine, Steiner Line, Complete Quadrilateral, Collineal Orthocenters. Stepbystep
illustration using GeoGebra. 

Dynamic Geometry 1449.
Salmon Line. Stepbystep
illustration using GeoGebra. 

Dynamic Geometry 1448.
Simson Line. Stepbystep
illustration using GeoGebra. 

Dynamic Geometry Problem 1447.
Outer Vecten Point. Stepbystep
illustration using GeoGebra. 

Dynamic Geometry Problem 1446.
Lemoine Line, triangle, circumcircle, tangent, collinear points. Stepbystep animation using GeoGebra. 

Dynamic Geometry Problem 1445.
Van Aubel's theorem, Quadrilateral and Four Squares, Centers. Stepbystep animation using GeoGebra. 

Dynamic Geometry Problem 1444.
The Asymmetric Propeller Theorem, Equilateral Triangles, Midpoints. Using GeoGebra. 

First AjimaMalfatti Point: HTML5 animation.
Stepbystep animation. 

Second AjimaMalfatti Point: HTML5 animation.
Interactive illustration. 

Apollonius' Problem for Three Circles: HTML5 animation.
Interactive illustration. 

Equal Incircles Theorem: HTML5 animation.
StepbyStep Illustration.
Geometric Art using iPad Apps 

Eyeball Theorem: HTML5 version.
Animated Angle to Geometry Study. 

Lemoine Theorem: HTML5 animation 

Butterfly Theorem: HTML5 animation.


Miquel's Pentagram Theorem: HTML5 version.
Interactive proof with animation and key theorems. 

Morley's Trisector Theorem: HTML5 animation. 

NinePoint Center, NinePoint Circle, Euler Line: HTML5 Animation for iPad. Circumcenter, Centroid, Orthocenter.


Euler and his beautiful and
extraordinary formula that links the 5 fundamental constants in
Mathematics, namely, e, i, Pi , 1 and 0, together!
HTML5 Animation for iPad and Nexus


Nagel Point
Theorem. Proof.
Triangle and excircles. Animation.
Adobe Flash. 

Seven Circles Theorem. Animation.
Adobe Flash. 

Semiperimeter and incircle 

Semiperimeter and excircles of a triangle 

Semiperimeter, incircle and excircles of a triangle 

Gergonne Point Theorem 

Ceva's Theorem.
Concurrency.
Interactive proof with animation. Key concept:
Menelaus Theorem. 

Menelaus' Theorem.
Interactive proof with animation and key concepts..


Johnson's Theorem 

Simson Line.
Animation, Proof.
Adobe Flash. 

Angle between two
Simson Lines 

Sangaku Problem 

The
Bevan Point 

Clifford's Circle Chain
Theorems 

Kurschak's Tile and Theorem 






