Question

Find the total surface area of a cubical block containing 343 cu cm.

Answer 1

volume of cube =343cu.cm
we know,
volume of cube=slant height cube. (7×7×7=343)
therefore slant height= 7cm.
total surface area of cube =6×slant height sq.
=6×7×7 =6×49=294 .sq.cm.