Question

FACE
.
three solid cubes of sides 1 cm
6cm and 8cm are melted to form
new cube. the surface area a
the cube so formed is​

Answer 1

Step-by-step explanation:

volume of cube is a^3

(1^3)+(6^3)+(8^3) = A^3

1+216+512=A^3

729=A^3

A=9cm^3

surface area of cube is 4A^2

4×9^2

4×81

=324cm^2