Brahmagupta (598–.670 CE) Bramhgupta Formla Main article: Bramhagupta’s formual Brahmagupta’s most famous result in geometry is his format for cyclic quadrilaterals. Given the lengths of the sides of any cyclic quadrilateral, Brahmagupta gave an approximate and an exact formula for the figure’s area, 12.21. The approximate area is the product of the halves ofपढ़ना जारी रखें “Indian Mathematician and astronomer Brahmagupta”