Definition and properties of a square. Describes how it can be considered a special case of other types of quadrilateral. Links to other related topics, including the area of a square.
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Math Open Reference
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Formula and description of the perimeter of a rhombus.
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Math Open Reference
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Formula for the area of a rhombus
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Math Open Reference
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Formula and description of the perimeter of a rectangle.
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Math Open Reference
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Definition and properties of the Golden Rectangle
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Math Open Reference
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Definiton and properties of the diagonals of a rectangle
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Math Open Reference
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An interesting example of how cleverly-designed rectangular shapes creates a useful metric standard for paper sizes.
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Math Open Reference
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Area of a rectangle. Definition and formula
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Math Open Reference
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Rectangle definition and properties
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Math Open Reference
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Quadrilateral definition and properties
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Math Open Reference
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