Question

8. If each edge of a cube is doubled, how many times will its surface area increase ?​

Answer 1

Answer:

So the new surface area of the cube is four times the old surface area. So, the new volume of the cube is eight times the old volume.

Answer 2

Step-by-step explanation:

let

original edge of a cube=a

given that edge is doubled

new edge= 2a

surface area of original cube=6*(edge)²