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→Useful websites
=Additional Information=
=Additional Information=
==Useful websites==
==Useful websites==
1. [[http://www.shodor.org/ihnteractivate/discussions/Quadrilaterals/]]
1. [[http://www.shodor.org/ihnteractivate/discussions/Quadrilaterals/]]<br>
2. [[http://www.mathopenref.com/quadrilateral.html]]
2. [[http://www.mathopenref.com/quadrilateral.html]]<br>
3. [[http://www.mathsisfun.com/quadrilaterals.html]]
3. [[http://www.mathsisfun.com/quadrilaterals.html]]