The edges of three iron cubes are 6cm; 8cm; 10cm respectively. A new cube was made by melting them. Find the edge of the new cube?  Choose one.
A) 12
B) 14
C) 16
D) 18
E) 20
Explanation:   63 + 83 + 103 = a3 =&gt; a = 12   12)
<result>A</result>
The edges of three iron cubes are 6cm; 8cm; 10cm respectively. A new cube was made by melting them. Find the edge of the new cube?