Question

2 cubes each of volume 64 cm' are joined end to end. Find the surface area
resulting cuboid​

Answer 1

Answer:

Step-by-step explanation:

surface area of 1 cube =6x64x64=24576

surface area of the cuboid=2(24576-4096)

=2( 20480)

surface area of the cuboid=40960cm3

Answer 2

Answer:

vol. of Cube=64

side-3v64=4cm

SA of cuboid=10a2 = 10x4^2 = 160cm2