QuadriCross

Showing that the line segments joining centres of squares on opposite sides of a quadrilateral are perpendicular lines and of equal length

This was written in JAVA, but even if you don't have JAVA installed you can just click below to
Run the Applet using JavaScript&HTML5 via WebSwing
Note:  This option does not require any plugin and should work on smartphones as well as computers.

If you do have Java installed and supported by your browser then you can also [Run the Applet using JAVA] 
Note:  Many browsers no longer support Java directly but if you want to see how the applet looks in Java, then one option is to use Internet Explorer or the IETab plugin


Note to Developers: The applet linked to above was built with the  GeX component library which is intended to support the quick construction of demonstration tools for mathematics instruction.

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Copyright
1996-2020 by Alan Cooper - page last modified on 1 Sept 2020