Question

Three cubes of edges 3 4 5 melted and formed a single cube.Its edges is

Answer 1

Answer:

6

Step-by-step explanation:

If a cube's volume is $a$, the length of an edge is $\sqrt[3]{a}$.

$3^3+4^3+5^3=216$

$216=2^3*3^3$

∴ $\sqrt[3]{216} =6$