Question

What happens to the surface area of a cube if its each edge is doubled ​

Answer 1

Answer:

So now the edge of the cube becomes 2a. ... So the new surface area (S. A1) of the cube is =6(2a)2=6(4a2)=24a2 sq.

Step-by-step explanation:

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Answer 2

Surface area of cube=6a

2

Is sides of cube is doubled

New surface area is =6×4a

2

Divide 2 by 1

=24a

2

surfaceareaofcube1

surfaceareaofcube2

=

6a

2

24a

2

=4times

Surface area increased four times

Volume of cube= a

3

Volume of new cube= (2a)

3

=8a

3

Divide 2 by 1

volumeofcube

volumeofnewcube

=

a

3

8a

3

Volume increased 8 times