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The Spatial Midpoint Quadrilateral Theorem
The midpoints of the sides of any quadrilateral in space form a planar parallelogram. The controls allow you to create a wide range of three-dimensional quadrilaterals, yet the blue polygon always remains a parallelogram.
Contributed by:
Mark McClure
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The Midpoint Quadrilateral Theorem
(
Wolfram Demonstrations Project
)
PERMANENT CITATION
"
The Spatial Midpoint Quadrilateral Theorem
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/TheSpatialMidpointQuadrilateralTheorem/
Contributed by:
Mark McClure
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