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impossible triangleGet a clear and complete understanding of geometric shapes, their patterns and properties. You will be able to change the geometry of the pictures yourself using the mouse and see the mathematical effect these changes have. A wide range of mathematics is covered, including all four key stages, from polygons to circle theorems.

Select one of the four units at the top right, then a topic and then use the coloured grid. Moving down the grid changes the topic to something a little demanding mathematically, moving left or right changes a small aspect of the topic. you are here shows where you are.
Each diagram will consist of points and lines drawn on a white background. You can change the colour scheme if you like. Click here to do so. Download and printout this complete guide to MathsNet Interactive Shape (Word document, 155Kb). The course is powered by Cinderella.2. Buy the software at shareit.com.
Arrows should appear below that you can move with the mouse. If not, check that Java is enabled in your browser.
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part of geometry
construction Interactive Construction
transformations Interactive Transformations
shape Interactive Shape
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