What are the contribution of mahaviracharya famous Indian mathematician?

Answer 1

Mahaviracharya's contribution was

establishment of terminology for concepts such as equilateral and isosceles triangle, rhombus, circles and semicircle.He

asserted that the square root of a negative number did not exist. He gave the sum of a series whose terms are squares of a arithmetical progression and empirical progression and empirical rules for area and perimeter of an iliipse.