Changes
From Karnataka Open Educational Resources
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, 10:30, 3 September 2013
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| =Additional Information= | | =Additional Information= |
| ==Useful websites== | | ==Useful websites== |
− | * Effective Introduction to Quadrilateral [[http://www.shodor.org/ihnteractivate/discussions/Quadrilaterals/]]<br> | + | * Effective Introduction to Quadrilateral [http://www.shodor.org/ihnteractivate/discussions/Quadrilaterals/ click here]<br> |
− | * Quadrilateral is also tetragon, quadrangle [[http://www.mathopenref.com/quadrilateral.html]]<br> | + | * Quadrilateral is also tetragon, quadrangle [http://www.mathopenref.com/quadrilateral.html click here] |
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| ==Reference Books== | | ==Reference Books== |