Category
page 1Theorems about quadrilaterals and circles
Ptolemy's theorem
theorem
Brahmagupta's formula
theorem
Brahmagupta theorem
theorem in geometry that a perpendicular to one side of an orthodiagonal quadrilateral, through the point of intersection of the diagonals, bisects the opposite side
Pitot theorem
theorem in geometry
Japanese theorem for cyclic quadrilaterals
theorem
Newton's theorem (quadrilateral)
geometrical theorem