Question

A solid cube of volume 13824 cu cm is cut into 8cubes of equal volume. Find ratio of the surface area of bigger cube and a smaller cube.

Answer 1

Step-by-step explanation:

formula of volume of cube is l^3.so side is equals to

l^3=13824

24cm

tsa of larger cube=6a^2

6*24^2=576cm^2

side of smaller cube

l^3=13824/8

12cm

tsa of smaller cube

6a^2

6*12^2

144cm^2

ratio

576:144

4:1