Question 776778
If a cube has side length s then the surface area = 6s^2
For the larger cube s=4, so A = 6*4^2 = 96 cm^2
(a) If the areas are in the ratio 1:4, then the smaller cube has surface area 96/4 = 24 cm^2
(b) Therefore, the small cube has edge length l = sqrt(24/6) = 2 cm