Question

three copper cubes whose edges mesure 5cm, 4cm, and 3m respectively are melted to form a single cube. find the surface area of the new cube​

Answer 1

Explanation:

5cube +4cube +3cube =a cube

125+64+27=a cube

216= a cube

6=a

side = 6

surface area = 6 a square

=6(6)square

=216cm square