Question

3 solid metal cubes with edges 15dm, 2m, 25dm are melted and formed into a new solid cube. answer fast please​

Answer 1

Answer:

We know that volume does not change.

Volume of cube =x

3

where x is side of cube

⇒15

3

+12

3

+9

3

=a

3

a

3

=5832

a=18cm

⇒ Diagonal of cube =

3

a

=18

3

Hence, the answer is 18

3

.