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| [PDF]: |
[PDF] [Perimeter] |
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| [PDF]: |
[PDF] [Area of Rectangles] |
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[PDF] [Area of Triangles] |
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[PDF] [Area of Parallelograms] |
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[PDF] [???] |
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| [PDF]: |
[PDF] [???] |
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| [LINK]: |
[MATH WAREHOUSE] [parallelogram shifter] |
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[DEFINITION] [parallelograms] |
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[MATH is FUN] [quadrilateral shifter] |
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| [LINK]: |
[THINKQUEST] [quadrilaterals: parallelograms] |
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| [LINK]: |
[MATH is FUN] [area of plane shapes] |
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| [LINK]: |
[MATH PLAYGROUND] [math videos] |
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| [LINK]: |
[MATH PLAYGROUND] [video: same area-different perimeters] |
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