Orthocentric Quadrilateral

If two pairs of opposite sides of a complete quadrilateral are pairs of perpendicular lines, the quadrilateral is said to be orthocentric. In such a case, the remaining sides are also perpendicular.

See also

Orthocentric Quadrangle, Orthocentric System

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Cite this as:

Weisstein, Eric W. "Orthocentric Quadrilateral." From MathWorld--A Wolfram Web Resource.

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