Question

three cubes of edges 3 cm 4 cm 5 cm are melted and casted into a new cube find the edge of the new cube​

Answer 1

t. volume = 81 + 64 + 125 = 270 cm ³

new side = cube root 270

=3cuberoot10

hope it helps

Answer 2

volume of cube with edge 3cm+volume of cube with edge 4cm+ volume of cube with edge 5cm=volume of new cube

27+64+125=a cube

a=3√216

a=6cm