Question

cuboid of dimensions 10 cm by 4 cm by 2cm before divided into four equal cubes each of side 3 cm find the ratio of total surface area of the cuboid and that of four cubes​

Answer 1

Answer:

17:9

Step-by-step explanation:

total surface area of cuboid = 2(lb+bh+lh)=2(40+8+20)=2×68=136

total surface area of cube =4(6×3) =72

ratio is 136/72=34/18=17/9