von Aubel's Theorem
Given an arbitrary Quadrilateral, place a Square outwardly on each side, and connect the centers of oppositeSquares. Then the two lines are of equal length and cross at a Right Angle.
See also Quadrilateral, Right Angle, Square
References
Kitchen, E. ``Dörrie Tiles and Related Miniatures.'' Math. Mag. 67, 128-130, 1994.
- Mediant
- Median (Triangle)
- Mega
- Megistron
- Mehler-Dirichlet Integral
- Mehler Quadrature
- Mehler's Bessel Function Formula
- Mehler's Hermite Polynomial Formula
- Meijer's G-Function
- Meissel's Formula
- Mellin Transform
- Melnikov-Arnold Integral
- Melodic Series
- MEM
- Memoryless
- Menasco's Theorem
- Menelaus' Theorem
- Menger's n-Arc Theorem
- Menger Sponge
- Menn's Surface
- Mensuration Formula
- Mercator Projection
- Mercator Series
- Mercer's Theorem
- Mergelyan-Wesler Theorem