Question

Three cubes of metal with edges 5cm ,4cm,and 3cm are melted to form a new cube .what will be the edge of new cube?

Answer 1

volume of new cube = volume of all the three cubes added together
LET THE EDGE OF THE NEW CUBE BE X
X^3=4^3 + 5^3 + 3^3
X^3 = 64+125+27
X^3 = 216
X = 6 cm

Answer 2

Please refer to the attachment for the solution