Question

the diagonals of cube is 30 cm. find its volume.
please answer as fast as possible.

Answer 1

V=√3 30cmcube/9
  =5196.15cmcube

Answer 2

DIAGONAL OF CUBE = 30 cm => √3 a = 30 cm => a = 30/√3 cm => a = 10√3 cm VOLUME OF CUBE = a^3 => (10√3)^3 => 10*10*10*√3*√3*√3 => 1000*3√3 => 3000√3 => 3000*1.732 => 5196 cm