123
edits
Changes
From Karnataka Open Educational Resources
→Useful websites
1. [[http://www.shodor.org/ihnteractivate/discussions/Quadrilaterals/]]
1. [[http://www.shodor.org/ihnteractivate/discussions/Quadrilaterals/]]
2. [[http://www.mathopenref.com/quadrilateral.html]]
2. [[http://www.mathopenref.com/quadrilateral.html]]
3. [[http://www.mathsisfun.com/quadrilaterals.html]]
==Reference Books==
==Reference Books==
