Question

4. A cube is 7cm on an edge and another cube is 14cm on an edge. The ratio of their lateral surface area is​

Answer 1

Step-by-step explanation:

Curved surface area of 1st cube =6a^2

6×7×7=294

curved surface area of 2nd cube=6a^2

6×14×14=1176

ratio = 284/1176

=1:4

Answer 2

Step-by-step explanation:

CSA of cube : CSA of another cube

4a² : 4a²

4 × (7cm)² : 4 × (14cm)²

49cm² : 196cm²

1 : 4