Question

there metal cubes of side 3 cm 4 cm and 5 am are melted to form a larger cube find volume total surface area edge length of new cube formed​

Answer 1

Answer:

Volume of resulting metal cube = Volume of metal cube 1+ Volume of metal cube 2+ Volume of metal cube 3

Volume of a cube =a

3

Let side of the resulting cube be A.

So, A

3

=3

3

+4

3

+5

3

=>A

3

=27+64+125

=>A

3

=216

=>A=6

Hence, length of side of the resulting metal cube is 6cm.

Total surface area of a cube =6a

2

=6×6

2

=216cm

2

Answer 2

Answer:

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