Question

If a solid cube of total surface area 's' is cut into 64indentical cubes what value would the surface area increase

Answer 1

hope this answer will help you

Answer 2

Answer:

Given:

Side 12cm

⇒Volume of cube =12×12×12=1728cm ^3

⇒Volume of smaller cube

1/8 of 1728

=1/8×1728=216cm^3

⇒Let side be S.

∴S^3 =216

⇒S=6 cm

Ratio of SA of cubes =SA of bigger cube/SA of smaller cube

=(12/6)^2 = 2^2/1 = 4/1

∴ Ratio between their surface areas 4:1