Question

The volume of a cube is 729 cm cube. Find its surface area.

Answer 1

hii!!

here's ur answer...

given the volume of the cube is 729cm³

we know that volume of cube is side³

therefore side³=729cm³

→side=³√729

→side=9cm

verification:-

volume of cube=side³

=9×9×9

=81×9

=729cm³

hence verified.

thus the side of the cube is 9cm.

TSA of the cube=6a²

let the side be a.

=6×9²

=6×81

=486cm²

hope this helps..!

Answer 2

Here is your answer it may help you.