Question

The edges of three cubes of metal are 3 cm, 4 cm and 5 cm. They are melted and formed into a single cube. Find the edge of the new cube.

Answer 1

Answer:

volume of the three cubes = (3^3+4^3+5^3)cm^3

=(27+64+125)cm^3

=216cm^3

so according to question,

let the edge of new cube be 'x'

so x^3=216 cm^3

x=6cm

hope it helps

please mark brainliest