Question

the volume of a cube is 729 cm^3. find its total surface area​

Answer 1

Answer:

volume of cube = side ×side×side

volume=729

now cube root of 729 is 9

now 9 is our side or length

surface area of cube = 6 × length× length

now our side is 9 so 6 ×9×9= 486 cm sq

Answer 2

Answer:

good evening sir/mam this is your answer

Step-by-step explanation:

volume of cube with side a is=a³

given v.cube=729cm³

a³= 729 (find out it's cube root)

a= 9 (this is the cube root)

surface area of cube=6a²

6×9²

6×81=486cm³