Question

The name of the mathematiscian who derive the value for volume of pyramid

Answer 1

democritus made it by using that pyramid is a 3d figure by placing triangular slabs on one other

Answer 2

Volume of the Pyramid:

1) The volume of the pyramid was first stated around 400 BC by the Greek mathematician and philosopher Democritus.

2) But later it was  proved by the brilliant mathematician Eudoxus around  408-305 BC.

3) The volume of a pyramid is given by:

V = ($A_b$ × h )/3,

where h is the perpendicular height and $A_b$ is the area of the base of the pyramid.