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| =Additional Information= | | =Additional Information= |
| ==Useful websites== | | ==Useful websites== |
| + | # http://library.thinkquest.org/28586/1024x768x24/05_Parallelograms/00_intro.html |
| + | This is a good website to introduce parallelograms. |
| + | |
| ==Reference Books== | | ==Reference Books== |
| | | |