Question

If each edge of a cube is doubled .how many times will its surface area in these

Answer 1

Answer:

4 times

Step-by-step explanation:

TSA of cube = 6a²

∴ when edge is doubled ,

its TSA = 6(2a)²

            =6×4a² =24a²

So, its ratio = 24a²÷6a² = 4