• Thumbnail for Equidiagonal quadrilateral
    Euclidean geometry, an equidiagonal quadrilateral is a convex quadrilateral whose two diagonals have equal length. Equidiagonal quadrilaterals were important...
    7 KB (729 words) - 07:56, 5 January 2025
  • Thumbnail for Quadrilateral
    Bicentric quadrilateral: it is both tangential and cyclic. Orthodiagonal quadrilateral: the diagonals cross at right angles. Equidiagonal quadrilateral: the...
    50 KB (7,008 words) - 04:39, 6 June 2025
  • Thumbnail for Biggest little polygon
    quadrilateral (its diagonals cross at right angles). The quadrilaterals that are both equidiagonal and orthodiagonal are the midsquare quadrilaterals...
    6 KB (828 words) - 08:25, 7 January 2025
  • Thumbnail for Orthodiagonal quadrilateral
    Orthodiagonal quadrilaterals that are also equidiagonal quadrilaterals are called midsquare quadrilaterals. For any orthodiagonal quadrilateral, the sum of...
    17 KB (1,767 words) - 07:58, 5 January 2025
  • Thumbnail for Midsquare quadrilateral
    These shapes are, by definition, simultaneously equidiagonal quadrilaterals and orthodiagonal quadrilaterals. Older names for the same shape include pseudo-square...
    7 KB (742 words) - 07:18, 13 February 2025
  • Thumbnail for Isosceles trapezoid
    Isosceles trapezoid (category Types of quadrilaterals)
    have the same length; that is, every isosceles trapezoid is an equidiagonal quadrilateral. Moreover, the diagonals divide each other in the same proportions...
    13 KB (1,496 words) - 23:39, 30 May 2025
  • Thumbnail for Kite (geometry)
    Kite (geometry) (category Types of quadrilaterals)
    midpoints of the Reuleaux triangle. An equidiagonal kite is a special case of a midsquare quadrilateral. When an equidiagonal kite has side lengths less than...
    38 KB (3,800 words) - 16:41, 11 April 2025
  • Thumbnail for Varignon's theorem
    Varignon's theorem (category Theorems about quadrilaterals)
    if the two diagonals of the quadrilateral have equal length, that is, if the quadrilateral is an equidiagonal quadrilateral. The Varignon parallelogram...
    11 KB (1,222 words) - 21:23, 1 May 2025
  • asinorum Quadrilateral Bicentric quadrilateral Cyclic quadrilateral Equidiagonal quadrilateral Kite (geometry) Orthodiagonal quadrilateral Rhombus Rectangle...
    13 KB (914 words) - 10:26, 25 December 2024
  • Thumbnail for Octagon
    segments connecting the centers of opposite squares form a quadrilateral that is both equidiagonal and orthodiagonal (that is, whose diagonals are equal in...
    18 KB (2,159 words) - 23:01, 15 March 2025
  • Thumbnail for Reuleaux triangle
    constant width. Among all quadrilaterals, the shape that has the greatest ratio of its perimeter to its diameter is an equidiagonal kite that can be inscribed...
    57 KB (6,500 words) - 06:52, 2 June 2025