Question

if a solid cube of total surface area s is cut in to 64 identical cubes by what value would the total surface area increase​

Answer 1

Answer:

Step-by-step explanation:

Step-by-step explanation:

Given:

Side 12cm

⇒Volume of cube =12×12×12=1728cm /3.

=>Volume of smaller cube =8/1 of 1728.

=>8/1x×1728=216cm³.

Let side be S.

∴ (S) =216

⇒S=6 cm.

Ratio of SA of cubes

=

SA of smaller cube

SA of bigger cube=6/12/2 =122= 1/4

I hope I helped you dear