Question

find the total surface area of a cube whose volume is 343cm^3

Answer 1

given volume=343
volume of cube=side^3
so side of cube=cuberoot343
$side = \sqrt[3]{343} = 7$
total surface area of cube=6×side×side
so total surface area=6×7×7=294 cm^2
I HOPE IT WILL HELP YOU

Answer 2

volume of a cube=343cm cube
T.SA of cube =?
volume=343
L cube=343
L=3 root 343=7cm

T.S.A of cube=6 L sq.
=6×7×7
=294cm sq.