Dynamic maths - interactive web pages
|Geometry - Lines|
Parallel Lines and Angles
|Triangles and Angles|
|Length & Area|
|Quadrilaterals, Triangles and Circles|
|Right Angled Triangles, Area, The Sine Rule and the Unit Circle on this page|
|Angles on arcs - Theorems and questions here|
|Functions and Co-ordinate Geometry|
|Points, formulae, lines, graphs, functions and equations on this page|
|Some visual proofs of Pythagoras's theorem and some numerical examples here|
|Axial and central symmetry, translations and rotations here|
This page allows you to open a blank copy of GeoGebra to experiment with.
There are also links for you to download this programme and to help files.