Varignon Investigation

The midpoints of the sides of an arbitrary quadrangle form a parallelogram. If the quadrangle is convex or re-entrant, i.e. not a crossing quadrangle, then the area of the parallelogram is half as big as the area of the quadrangle. [url=]Wikipedia[/url]


Shawn Remy

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Target Group (Age)
11 – 19+
English (United States)
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