This is a particular case of Bretschneiders formula we know that sum of two opposite angles are 180 known as Brahmaguptas formula. Area of a quadrilateral given four sides and the fact that it is a cyclic quadrilateral. Want to know the area of your quadrilateral room for furnishing.
Add the diagonal products x1y2 x2y3 x3y4 and x4y1 are shown in the dark arrows.
Area of a parallelogram given sides and angle. Area of a Quadrilateral The Area of a quadrilateral is the number of square units it takes to cover a two-dimensional shape. Apply length-times-width as a formula to calculate area of regular and some irregular quadrilaterals When the length-times-width formula cannot apply find the area of irregular quadrilaterals using other strategies including the Law of Cosines and Herons Formula. Area of a cyclic quadrilateral.