Question

the tsa of a cube is 486 cm² . find its volume

Answer 1

tsa=6l2=486
l2=486/6
l2=81
l=9
volume=a3
=(9)cube
=729
i hope it will help u

Answer 2

Hi ,

Let the side of the cube = a cm

TSA = 6a²

TSA = 486 cm² ( given )

6a² = 486

a² = 486/6

a² = 81

a² = 9²

a = 9 cm

Volume of the cube = a³

V = 9³

V = 729 cm³

I hope this helps you.
: )