Brahmagupta (598–.670 CE)Triangles Brahmagupta dedicated a substantial portion of his work to geometry. One theorem gives the lengths of the two segments a triangle’s base is divided into by its altitude: 12.22. The base decreased and increased by the difference between the squares of the sides divided by the base; when divided by two theyपढ़ना जारी रखें “Indian Mathematician and astronomer Brahmagupta”