Question

three cubes of side 3 cm 4 cm 5 cm are melted and a new cube is formed find the side of the cube​

Answer 1

Answer:

6 cm

Step-by-step explanation:

volume of 3 cubes= 3*3*3 + 4*4*4 + 5*5*5

                              = 27+64+125

                             =216 cm cube

side of new cube = cube root of 216

                             = 6 cm

Answer 2

Answer:

Step-by-step explanation:

(a)^3+(a)^3+(a)^3=(A)^3

(3)^3+(4)^3+(5)^3=(A)^3

27+64+125=(A)^3

216=(A)^3

√216=A

6=A is ans